I want to tell you a story about how you can suddenly wake up to find yourself living a life you were never supposed to live. It could happen to you, just like it happened to me, and you could try to get back the life you think you deserve to be living. Just like I did.
-- Narration (Travis) (Chapter 1 paragraph Page 2)

Importance: This quote introduces, in broad strokes terms, the central narrative situation / premise of the story and also its primary theme - specifically, an examination of the struggles associated with living a new life.

The weirdest part, truly, was realizing I’d been doing all this undressing and examining and making sure the door was locked with hands that were different from my hands, with hands that had never touched Cate or knuckle-bumped with Kyle or opened my locker at school. These were Jeremy Pratt’s clever hands, and they’d fooled me into...
-- Narration (Travis) (Chapter 3 paragraph Page 24)