And she was dressed like … like she wanted people to look at her. Or maybe like she didn't get what a mess she was.
-- Narrator (Chapter 1 paragraph 41)

Importance: This is Park's first impression of Eleanor and it is his honest reaction. It takes time for Park to get past her appearance to find that he and Eleanor have a lot in common and that he likes her.

It made sense that Tina was in Eleanor's gym class because gym was an extension of hell, and Tina was definitely a demon. A weird, miniature demon.
-- Narrator (Chapter 6 paragraph 3)

Importance: Eleanor is having trouble with Tina already and is not surprised to discover that Tina has gym at the same time. This class becomes a serious issue for Eleanor as Tina and her friends make Eleanor's life miserable. The references to “miniature” is made because Eleanor feels she is very large, especially next to Tina, who is small.

She opened...
-- Narrator (Chapter 11 paragraph 20)