Identity Quotes in Dark Places

How we cite our quotes: (Chapter.Paragraph)

Quote #1

I dyed my hair now, a white-blonde, but the red roots had grown in. (1.15)

For Libby, changing her hair color is like changing her identity. It's like putting on a wig and going out in disguise. Not only does it keep other people from recognizing her when she wants to lay low, but it keeps her from recognizing herself.

Quote #2

"Let's go, Baby Day," I said aloud. It's what I call myself when I'm feeling hateful. (1.16)

Libby tells us this, but this is the only instance of her actually doing this. Why does she consider this innocuous name an insult? What part of her personality does it remind her of?

Quote #3

After my mother's head was blown off, her body axed nearly in two, people in Kinnakee wondered whether she'd been a whore. (6.1)

Some victims turn into saints after death. But people immediately begin to disparage Patty's memory. Why? Is it because she's generally believed to be a bad mother?