Have you considered that maybe you’re already the way I want you to be? That maybe there are no signals because nothing needs to be changed.
-- Jack (chapter 11)

Importance: Jack says this in response to Elsie’s accusation that he is responsible for the two of them not getting along since he gives her no clues on how to approach him. Elsie can hardly believe there is someone out there who is happy with her the way she is. This quote illustrates Jack’s unabashed admiration of Elsie despite her inability to recognize it.

In my fantasies, you allow me to keep an eye on you… And when I really let go, I imagine that you let me take care of you, too.
-- Jack (chapter 15)

Importance: This quote highlights the sexual and romantic nature of Jack’s feelings for Elsie, despite them being nominally friends at this point. Jack’s fantasy appeals directly to Elsie...