“Do you even know who the enemy is?"
"I think… it's me".”
Ned Vizzini book It's Kind of a Funny Story
Source: It's Kind of a Funny Story
Ned Vizzini was an American writer. He was the author of four books for young adults including It's Kind of a Funny Story, which NPR named #56 of the "100 Best-Ever Teen Novels" and which is the basis of the film of the same name.
Vizzini suffered from depression, spending time in a psychiatric ward in his early 20s, and authoring several works about the illness. He was found dead in his native Brooklyn, New York after an apparent suicide from a fall, aged 32. Wikipedia

“Do you even know who the enemy is?"
"I think… it's me".”
Ned Vizzini book It's Kind of a Funny Story
Source: It's Kind of a Funny Story
“its hard to talk when you want to kill yourself”
Ned Vizzini book It's Kind of a Funny Story
Source: It's Kind of a Funny Story
Ned Vizzini book It's Kind of a Funny Story
Source: It's Kind of a Funny Story
“I'm still a nobody, when am I not going to be a nobody?”
Ned Vizzini book It's Kind of a Funny Story
Source: It's Kind of a Funny Story
Ned Vizzini book It's Kind of a Funny Story
Source: It's Kind of a Funny Story
Ned Vizzini book It's Kind of a Funny Story
Source: It's Kind of a Funny Story
“I'm going to be here until I'm cured?"
"Life is not cured, Mr. Gilner. Life is managed".”
Ned Vizzini book It's Kind of a Funny Story
Source: It's Kind of a Funny Story
“I think you run out of 'I love yous”
Ned Vizzini book It's Kind of a Funny Story
Source: It's Kind of a Funny Story