As she watches him, his body instinctively does its peacocking thing, posing and accentuating himself to look sexy as he takes his shirt off. But there's a growing sense of discomfort. He doesn't like being... Ogled, as much as one might assume he does. He's done this sort of thing far too many times in stressful and negative situations for it to even feel good with Sky. He inhales, as if to say something, then exhales instead, deflating slightly. It doesn't feel worthy of a whole safe word, but:

"Uh, can we do this a different way? I don't really like being... Watched like this. Sorry." He looks down, his cheeks heating up.

"You- you can undress me though, if you want."