An Abundance of Katherines

When it comes to relationships, everyone has a type. Colin Singleton’s type is girls named Katherine. He has dated–and been dumped by–19 Katherines. In the wake of The K-19 Debacle, Colin–an anagram-obsessed washed-up child prodigy–heads out on a road trip with his overweight, Judge Judy- loving friend Hassan. With 10,000 dollars in his pocket and a feral hog on his trail, Colin is on a mission to prove a mathematical theorem he hopes will predict the future of any relationship (and conceivably win the girl). An Abundance of Katherines was a 2007 Michael L. Printz Honor book and a finalist for the Los Angeles Times Book Prize. It was also named one of the books of the year by Booklist, Horn Book, and Kirkus.
If you are fully prepared to be inundated with spoilers, you can learn much, much more about Katherines at the book’s Questions page.

If you would like to read this book in another language, go to the Translations page.

Reviews (Spoiler Alert!)

“Imagine an operating room at the start of a daring but well-rehearsed procedure and you will have something of the atmosphere of ”An Abundance of Katherines”: every detail considered, the action unrolling with grace and inevitability.”

-New York Times Book Review

“Green follows his Printz winning Looking for Alaska (2005) with another sharp, intelligent story. The laugh-out-loud humor ranges from delightfully sophomoric to subtly intellectual.”
-Booklist, Starred Review

“Fully fun, challengingly complex, and entirely entertaining.”
-Kirkus, Starred Review

“Laugh-out-loud funny, this second novel by the author of the Printz winner Looking for Alaska charts a singular coming-of-age American road trip that is at once a satire of and a tribute to its many celebrated predecessors.”
-Horn Book, Starred Review

{ 572 comments… read them below or add one }

Charydel Cassandra S. Malintad January 12, 2015 at 1:05 am

Dear Mr Green,

I’ve been reading this book for a couple of days now and I can say that you’re such a talented writer. It was like your really from Gutshot and you know how to make unique individuals be as amazing and wonderful in their own special ways. Also, thank you for inspiring a neophyte like me to continue writing my first novel. God bless you!

Sincerely yours,

Cassandra
XOXO

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Valentina January 21, 2015 at 9:00 am

i love your books <3

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boo February 20, 2015 at 5:26 pm

shut up

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pooja February 28, 2015 at 1:56 pm

hahahaha

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Nataly April 30, 2015 at 11:20 am

You shut up

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geazy May 12, 2015 at 10:29 am

You shut up bitch

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Neros May 18, 2015 at 6:03 pm

EVERYONE SHUT UP AND READ TFIOS

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Júlia Dapper January 22, 2015 at 6:29 pm

Hello dear Mr. Green,

I’ve been reading your books and I have to say: YOUR BOOKS WAS THE BEST BOOKS THAT I’VE EVER READ!
I read this book in 3 days, in 8 hours. I dreamed with this book and I just wanna say thank you so much for all your books. And I think I wrote many “book” in this comment, but okay. Okay? Okay.
I want to ask you to make a movie of this book, after Paper Towns. Think of it.
Finally, i wanna say thank you again and that I love your books and I love you too.
Kisses for you and your family.
KISSES OF BRAZIL!
Yep, I’m brazilian.

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Angelo Nevada January 24, 2015 at 11:38 am

Hello Mr. Green,

This book was rather dull. I want my money back. Sick Kafir.

No, I’m kidding. It wasn’t too bad. Though it was a bit dull, I did find Hassan absolutely funny and I would ship him with Judge Judy. So yeah. DFTBA.

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Paige Davis January 24, 2015 at 4:25 pm

Dear Mr. Green,
Thank you for all you inspiration with my writing. Seeing you come from the small state of Alabama inspired me to continue with my dream. If you ever happen to see this comment just know you are truly the best author I’ve ever read from. I actually never enjoyed reading until one of my friends recommended “Looking for Alaska” to me, now I’m addicted.
Yours truly,
An inspired reader/writer

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Martina Funes January 26, 2015 at 6:07 pm

Dear Mr. Green
I read “The fault in our stars”, and I am glad to say that this book is one of my favourites books, and I recomend it. Now I am reading “Looking for Alaska” and is an amazing book. I would to say if you can translate your books in spanish, because I want to read the others.
Thank you for all yours books.
Martina xoxo

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Avery & Savannah January 28, 2015 at 3:24 pm

Dear Mr. Green,

Avery has read all your books, and Savannah has read The Fault in our Stars. We would just like to appreciate your amazing writing skills. Thank you for writing these AWESOME books!!!!! :)

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Kelsey February 1, 2015 at 10:10 pm

All I can say is thank you. You, your books, and Hank have all made such a huge impact on my life. You’ve done so much to decrease World Suck just with the sheer power of your awesomeness, and I thank you again for that. DFTBA.

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John Green April 30, 2015 at 11:27 am

No, Thank you!

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Drea February 2, 2015 at 12:18 am

Dear John Green,

What was in your head when you were writing this? What is the purpose and i do not mean it in a rude way I’m just curious, and i would like to follow in your in to your foot steps.

Sincerely , Drea

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Gordie Winston February 3, 2015 at 2:16 pm
Zoe February 4, 2015 at 6:02 pm

Well i’m reading it right now and i think it is a good book. So i recommend that you floks out there read it! Um…. but I need a webiste that you can read free books of all your choice so if you have any please just respond back on this comment. Help I need it because of school!! :(

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tania February 5, 2015 at 3:07 pm

Dear Mr. Green
I think your books are brilliant. There’s a lot to learn in each of your books. But I believe this is my favorite. I don’t know if you intended this to be part of the moral for “An Abundance of Katherines” but I like the diversity of beliefs the characters have and the fact that the bond between them does not change because of that. Also it is preocupating how the words Islam, Arabs or Muslims are by most people directly linked with the word terrorist, and I think Hassan is a brilliant way to change that and maybe even other ideas we make about people in our head. I’m Jewish and where I live people believe that every Jewish person is wealthy, which is not really the case, there are some people that rely on donations and are in fact not even stable. The wealthy are such a small minority that it is kind of ridiculous. I learned lots of other things from this book as well as from your other books but I wanted you to know that even though this is not your most famous or bestselling book or whatever, it is amazing. And I adored it.

Sincerely yours, taniazakay.

P.s Don’t forget to be awesome.

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tania February 5, 2015 at 3:09 pm

Dear Mr. Green,

I think your books are brilliant. There’s a lot to learn in each of your books. But I believe this is my favorite. I don’t know if you intended this to be part of the moral for “An Abundance of Katherines” but I like the diversity of beliefs the characters have and the fact that the bond between them does not change because of that. Also it is preocupating how the words Islam, Arabs or Muslims are by most people directly linked with the word terrorist, and I think Hassan is a brilliant way to change that and maybe even other ideas we make about people in our head. I’m Jewish and where I live people believe that every Jewish person is wealthy, which is not really the case, there are some people that rely on donations and are in fact not even stable. The wealthy are such a small minority that it is kind of ridiculous. I learned lots of other things from this book as well as from your other books but I wanted you to know that even though this is not your most famous or bestselling book or whatever, it is amazing. And I adored it.

Sincerely yours, taniazakay.

P.s Don’t forget to be awesome.

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Nada Emad February 7, 2015 at 5:23 pm

I have read only two chapters of the book “An abundance of Katharines” I guess I can’t tell my opinion after reading this only two chapter. But the people and the reviews on the Internet didn’t encourage me at all. But I just have to continue reading to find out by myself. And thank you for writing”the fault in our stars” you can say that this book make my whole year …. I know it was such a tragic story, but It’s still my favorite book.
I’m Egyptian by the way …. Just to make you sure, you have fans all over the world.

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Bryan Wilson February 12, 2015 at 2:05 pm

Dear Sir,
I am a high school literature and history teacher and have enjoyed your work in the past. Today, I came across a copy of Katherines, that one of my students is reading, and found the creation and layout of the text to be interesting. Previously, I attempted to develop a Creative Non-Fiction piece that used similarly place text and interjections of post-thought writing.
I have yet to read the work completely but quickly thumbed through a chapter and photographed some of the pages. I am curious about your writing process and wonder as to how you developed the footnotes. Was it completely a post writing objective or was it completed simultaneously as you generated the original text and turned into footnotes at a later date?

Thanking you greatly for you work and incite,
Bryan F Wilson
Asst. Professor, Model Lab School (EKU)

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Rachel February 13, 2015 at 7:51 am

Basketball doesn’t have to be purely rule controlled play with an indoor wood court. There are many various variations about the game which bring basketball to some whole brand new level. Variety is among the things which makes basketball this type of popular activity. http://www.scorespro.com

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Fergie Joshua Lasugas February 18, 2015 at 8:01 pm

Dear Mr. Green,

Good Day! You know I am a Reader of your books and I would like to thank you for giving me such an inspiration every time I read your book. I really like the Paper Towns book and it really captivate my heart ion Margo and Quentin.

Thank you so much and God Bless!

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Maïlys February 19, 2015 at 7:02 pm

Hello Mr. Green,
I just wanna say THANK YOU for all you are giving to me. I read all your books and you are amazing. I admire you and your incredible inspiration. I write too now thanks to you haha! I am just a 15 yo French girl but you are already my model and my favorite writer. I cried when I read Looking for Alaska and TFIOS because these stories are so fucking perfect and real. You are so talented omg*.*
I hope that one day I will meet you and thank you for your awesome job.
Love,
xxx
Maïlys (sorry for my bad english I am just a teenager^^)

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Pavla February 25, 2015 at 2:51 pm

Dear Mr. Green I reading your book The fault on your stars it is perfect . I am from Slovakia . Mr. green you are very good writer :33 i love your book .. Thank you very match for your book :3

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jbug03 February 27, 2015 at 12:32 am

This book is hilarious I laughed all the way through it.

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Macca March 2, 2015 at 3:06 am

Dear Mr. John Green,
I loved this book so very much and of all your books so far I have read The Fault in Our Stars (of course) let it snow (which I know is a joint book but it was amazing) and an abundance of Katherine’s. I am currently reading paper towns and I’ve got to say I love it. I really hope you read this and it puts a smile on your face and I know there are over 500 comments but I really want you too read this. Thank you if you do read this and you are by far the best author I know!
Yours Sincerly
Miss. Mackenzie Stewart

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Macca March 2, 2015 at 3:08 am

P.S Also I am from Australia and a lot of my friends read your books and love them too!

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us cellular March 2, 2015 at 11:16 pm

Fantastic web site. A lot of useful info here. I’m sending it to a few friends ans also
sharing in delicious. And certainly, thank you in your effort!

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UnePetiteFrançaise March 6, 2015 at 2:17 pm

Monsieur Green,
Je suis vraiment désolée de vous écrire en français, mais je ne parle pas assez bien l’anglais pour le faire dans votre si belle langue. Alors j’espère que vous n’êtes pas comme moi et que vous connaissez un petit peu le français.
Je viens de terminer votre livre, à la seconde même ou j’écris, et j’ai adoré. Tout simplement. J’ai déjà lu “Looking for Alaska” et “The fault in our star” et j’ai aussi beaucoup aimé. Mais ce que je préfère, vraiment, ce sont les petites manies de vos personnages. Apprendre les dernières paroles de personnes célèbres ou faire des anagrammes. Je m’y retrouve beaucoup, car moi je cherche un rime à chaque prénom ou nom de famille que j’entends.
Je vous admire beaucoup, car j’essaie moi aussi d’écrire, mais vous arrivez à mettre ce petit truc, dans vos personnages, que je ne trouve pas. En fait, ils ne sont pas parfaits. Ils ont comme nous, avec leurs défauts et leurs qualités et c’est ce qui les rend si attachants.
Encore merci pour ces immenses moments de plaisir passés à vous lire.

PS: Je pense que ce serai génial de créer un site internet pour avoir la courbe d’une relation, et que chacun puisse faire la sienne. Il suffirai de rentrer les variables pour l’avoir. Mais c’est juste une idée en l’air, comme ça :)

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Camila March 9, 2015 at 7:32 pm

Dear , Mr. Green
I liked your book it was very interesting how the Colin character turned to be, and I also loved the ending because “not every book is a happily ever after”. It shows us teenagers how real life is you get dumped and you also dump people.

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Danielgrant March 10, 2015 at 9:53 am

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Arielle Williams March 10, 2015 at 2:03 pm

I love your books, because they entertain me and bring laughter and joy to my life always.

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Neymar March 17, 2015 at 6:47 am

I am neymar

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Katie Caldwell April 25, 2015 at 6:17 pm

Okay I’ve been reading this book for about the 80th time and I’ve come across something that really bothers me about the pupillary sphincter joke. It all hinges on the fact that Colin wanted to say I’ve got an eyelash in my eye in an intelligent manner yes? But given he knows about the pupillary sphincter (omg the spelling of that is a nightmare) he would surely know it’s basically impossible to get an eyelash in the pupillary sphincter because it’s covered completly by the cornea. I might be thinking about this too much as a person who’s worn glasses since they were 13 but the only way he’d know the name of the pupillary sphincter is if he’d read about it and other parts of the eyeball the pupillary sphincter doesn’t exist in a medical text vaccum.

My point is it doesn’t make sense for him to say there’s an eyelash in my pupillary sphincter because he’d know the eyelash would be in his cornea.
Also I can’t find anyone else who’s noticed this and it’s driving me a little nuts.

Other than that I love the book, not as fun as paper towns but waaaay down the nerd hole so it makes up for it.

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gary May 3, 2015 at 2:07 am

Hello Mr. Green,
I come from China, I saw your “beautiful pain” this book, I deeply love it. See below also regret at the same time, I can not accept the death of Gus, of course, I also know is fictional, but people with emotion to read do not think so, I hope it won’t be an incurable cancer, I would rather die than Italian actress Gus died, I start so that the outcome. This book is amazing.

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Mehreen Khan May 5, 2015 at 12:04 pm

Mr.Green I love the book An Abundance of Katherines and like The Fault in Our Stars and Paper Towns are you willing on making this book a movie and if so when.
Thank you for your time.
Sincerely- Mehreen Khan

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Briana May 6, 2015 at 9:59 pm

Dear John,
May I call you John? If not I am sincerely sorry, but I have already pressed the Submit button by now. You, sir, are quite a gifted writer and as much as I hope you will answer back on this comment I do–sadly–have little hope on the matter. In fact, I will be ecstatic if you even take a second glance–sorry not interesting…. I have quite the proposal for you John….If you are quite kind as to answer me and possibly come to Georgia–south if viable–and have a book signing or something involving you within my touch for questions and maybe some uninteresting facts (inside joke for the book), I would be ecstatic to see my mentor in person rather than a screen. I may be insignificant but “What is the point of being alive if you don’t at least try to be remarkable?”(quoted by you of course!).
Sincerely,
#1 Book Worm!

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sara May 10, 2015 at 7:41 am

dear John green,
I LOVE YOUR BOOKS

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Marie A. May 10, 2015 at 8:08 pm

Dear John Green,
I wanted to email you but was having a hard time finding how to contact you and noticed others writing “Dear John Green” here so I decided to give it a go. I just wanted to let you know AoK and PT are MY ALL TIME FAVORITE NOVELS. As soon as I had read them a few years ago I immediately dropped everything and hurried over to the closest store to buy both! Then I reread them…multiple times. I hardly ever reread (I’m weird like that). It’s like those novels spoke to me.
Any ways, I was determined to use one of these books for my AP Literature Free Response Open Prompt (Q3) Exam. I had them internalized. Then I got to the last page where Q3 was, read the prompt….and instantly pictured Colin laughing at me like “Haha, you imbecile. There is no way you can use either novel for THIS prompt.” But you know what Mr. Green, you would be proud because I was determined to make it work so I did. I used Katherines and I am pretty darn pleased with myself to have produced 5 pages worth of material relating to the prompt (which I technically can talk about because CollegeBoard posted it online). Totally worth it. Thank you for being an incredibly witty author who actually understands the struggle of realizing being a genius is not necessary in life. Love your novels and can’t wait to see them produced on the big screen! All I’m wishing for is accuracy. Also thanks for reading this lengthy note, at least I HOPE you read it…can’t you tell I have taken AP English courses in high school, haha!

Sincerely,
Marie A.

P.S. Aren’t P.S.’s fun?! I wanted to mention how hilarious I found it that my first name was used in Katherines. My name is usually used as a middle name, so it was nice to see it being used in a novel, especially one of YOUR novels!

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Unknown May 14, 2015 at 6:09 pm

As I am reading these comments, I am realizing that the majority of them are from people like Hazel Grace Lancaster. Most are reaching out to you, John Green, telling you how much they enjoyed your books just like Hazel did to Peter Van Houten. This made laugh for some reason. Honestly I don’t know why I am writing this but I am.

Anyways, I really love your books. (I’m becoming one of them) I have no idea how you come up with these fascinating scenarios but I truly cherish every moment I lay my eyes on the words of your characters (or you). Continue to write how only you know,Thank you.

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MemCarrington May 16, 2015 at 2:11 pm

Dear Mr. Green,

Right now I am at chapter 5 of this book. I think your work is absolutely brilliant. I read The Fault in our Stars this passed summer, I finished Paper Towns a couple of days ago, and I finished Will Grayson Will Grayson last night. I plan to read Looking for Alaska soon, and I ordered the sort of sequel to Will Grayson Will Grayson, Hold me Closer, a Tiny Cooper story. By the way, I think Tiny Cooper is absolutely hilarious, and Ben from Paper Towns is also indeed hilarious. I just wanted to tell you that I love your books and that i think every single one of your books should be made into a movie. Also I hope you make many more books, because I will definitely read them all.
~Sincerely,
Meme Carrington

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Meme Carrington May 16, 2015 at 2:20 pm

I just commented about all the wonderful books I’ve read by John Green, and now I’m at chapter 6 of An Abundance of Kathrines and it is really boring, I want to know if it will get better

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Rachel May 22, 2015 at 4:50 pm

4th chapter llh

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Lucia May 17, 2015 at 8:33 am

My English is not good … : / Dear Mr. John Green , I am one of your passionate , loyal čitateliek . I would like you wrote how much I admire that I wanted to arrange life as you do , but do not write .It would be dull with what I write and other people . First of all, I do have a few questions as most – One of them is the end of the book . Book your breath away true destiny of two loving people . Guess why the whole world loves you , maybe because in my books you are giving mystery , ambiguity , which is always at the end of the book makes clear , therefore , not total .The end of the book, and the circumstances that accompanied him, remained within two years unclear exactly how the mystery thousands of glowing stars in the night sky, or the fact that Margo decided to just lose a dramatic night with its neighbors "Q" or as Hazel after the death of Gus learned to live again. Stories of heroes I knew only from their narrative and that is what annoyed me most – no end. Inspired Van Hauten you? Or is the pseudonym Van Hauten and bad writers properties? Since I read your first book, I always had remorse and despair when I lay on the conscience of the free end. Were forcing me to tears to my eyes, I note that I did not know how they will proceed story of a hero.
Above them they hung at the end of unclear issues. I never had so much courage on their vote, startled by me the truth about their future, usually such milujúcej.Neznáma force hovering over our house like a breeze. He settled for the cobwebs on the branches of trees. So I can not break away from knowing that you not only maker of their fate, but their end. I hid a long time before answering, yet I longed for them. A few last words that meant so much to you that split, join, their fates.
Lucia/Slovakia/ 14th years

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quinn May 22, 2015 at 4:46 pm

hello, mr. john green, sir.
it is i, quinn, the young aspiring author, and i wanted to tell you as a humble fan that i have read a lot of books. i own no book that has been left unread. i love libraries and quiet places because books belong there, and therefore, so do i. and because i have read a lot of books, i have read a couple of yours. i have no favorite author (there are too many to choose from, honestly), but you are by far one of the most talented authors whose books i’ve read. my favorite book of yours is an abundance of katherines. there are many reasons for this, but i think the way the story is narrated might be what i like most about it. word choice is a difficult thing, though it is incredibly fun. as i read the book, i could tell you probably really enjoyed writing the book, and likely took some time to marvel at your own genius, as i know i did. as i said, word choice is difficult, but i guess sometimes us writers get oh-so lucky, and we find exactly the words to convey the story that’s stuck in our minds. it seems that’s what happens in your books, especially this one. i really love the casual but significant combinations of words that make some things so much more real than they would’ve been, had they been worded differently. after i read an abundance of katherines, i found myself subconsciously modeling my writing after yours, which actually made it better (or, at least it appealed to me more), and though i do strive to not be a copycat and to have my own unique style, i do believe that your writing has greatly influenced my own, and for that i must thank you. in one of your videos, you say something about how reading is just as important as writing when you’re trying to be a writer, and i agree. you said that reading is our only form of apprenticeship, and so by reading your books, i have become your eager apprentice. thank you for being my indirect mentor of sorts, for you have taught me well.

peace out,
quinn ^ω^

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