You should ask Finch, not me; he could tell you.

[But even as she says it, she knows that he's not asking why bother in general. He's asking why she bothers herself. She sighs.]

It's a long story. A weird one, too. The short version is that I don't have real feelings and my moral compass is crap, but instead of turning into a serial killer, I got lucky - because I've been surrounded by good people my whole life, and they taught me the kinds of things I'd never have figured out on my own.