It’s really amazing, isn’t it? Someone can trigger your sexual identity crisis and not have a clue they’re doing it.
-- "Blue" (to Simon) (chapter 2)

Importance: This lightly ironic comment comes in an early conversation between protagonist Simon and the boy he comes to fall in love with, Blue. The irony is that both Simon and "Blue" go through a sexual identity crisis because people DO know that they are doing it.

… I’m tired of coming out. All I ever do is come out. I try not to change, but I keep changing, in all these tiny ways. I get a girlfriend. I have a beer. And every freaking time, I have to reintroduce myself to the universe all over again.”
-- Simon (Narration) (chapter 5)

Importance: The term "coming out," which usually refers to the process of admitting one's non-heterosexuality, is given an unusual spin here. In Simon's perspective, coming out can perhaps be seen as revealing...