"Oh! Yeah, I'd be totally down for that." Especially since everyone else he'd offered to teach weren't even on the train anymore. Or there were...different versions of them. "It's kind of hard to have hobbies in this place, isn't it?" But at least there was still music.

"Also you say that, that it's easy, but you haven't tried to teach me anything yet." He was joking, but he did slightly doubt his own ability to pick up new skills easily or learn how to use things.