“I think if you keep the box closed long enough you do kill the cat, actually. And-God, I hope you won't take this personally-but I love my best friend more than anyone in the world.” FriendshipJohn GreenDavid LevithanWill Grayson Will GraysonChapter 17Page 256 Book:Will Grayson, Will Grayson Source: Will Grayson, Will Grayson