...well, if we were somewhere where wearing the 'right' kind of clothes was considered socially important, I could see that [Derek replies carefully], but here? With as different as everyone is, and with as different as the clothing styles are from their own worlds, I don't see that becoming an issue.

Personally, I'd be more worried that people thought I was advertising for some unwanted attention, if I were you, since the norm is for people to wear clothing...unless they're doing something that you don't wear clothes for.

[Well, he's trying. He's also still keeping eye contact, and a reasonable tone of voice.]