And the worst part of it is, Dao keeps looking at him and being annoyed and uncomfortable about his presence and then thinking about ripping his bones out. Dao is woodcarving; he has a knife; he could, actually, just reach over and grab this perfectly innocent person's arm and cut—

He's pretty sure this isn't him turning into a serial killer, because look at him, not doing that. But it's still not a train of thought he wants to keep revisiting.