"I think it depends. Why is he a vegan? What if he's just got a special dietary requirement that can only be fulfilled by eating mud? Is that still ethical veganism?"

She thinks about this scenario for over a minute before deciding that she's probably not qualified to assess if dietary restrictions affect the ethics of veganism. "But he does fight people at the bar a lot. Maybe that's good for an ethics class though. Some classes have a lot of debating."