"Oh, I'm fine," Jack hastily assures him. "Right now. Um." He looks vaguely embarrassed, but he is trying to be more open. There is no good reason to keep it a secret here. It's just such a long-ingrained habit, and also it's Captain America. "You might not know this, but our world has werewolves. Not very many, but a few. I am, er, one of them. So I am fine right now! But if there is a moon warp I will try to be very far away from the convoy before I change."

He shrugs. Really, all of that came with a handful of gestures, he is not good at holding still when he speaks. Or at all, really. "I was like this for a very long time before I came here. But other people here are turning into... similar-ish things. So I am hoping my experience can help."