"Did your parents ever try to teach you manners? That totally could have just been my mom." His mother was a little weird sometimes. "Some stuff you figure out from watching how other people interact. Some stuff you figure out from experience. Like, when you accidentally make fun of someone's blueness, and they nearly kill you, the lesson is to not make up nicknames based on what color people are anymore, right?"

Oh, please let Topher not just agree because that seemed like the right thing to do.