““I think,” I say, shifting my gaze to the ceiling so I don’t have to experience the torment of saying this directly to another human being, “Mitch might … have … thoughts …” It’s right about here that I get tripped up. “Um,” Arthur says after a long time, “well. I think so too. I mean, I always assumed so. Maybe on occasion he doesn’t precisely give off that vibe, but just because he’s subtle about having thoughts doesn’t mean—””