Why in the world would he expect to be treated differently? Mo gave her a head tilt of acknowledgement (and confusion), but the woman had already begun the lesson.

Noxious? It sort of sounded like someone was being super annoying and needed their pants set on fire or something, but that was OBnoxious. But interesting. Interesting. He wanted to think deep thoughts about root words for those two VERY similar words. Mo raised his hand. "It means dangerous, Professor."