[ Definitely not the sort of assumption she would have made about him but, considering the various worlds and realities and even timelines people seem to come from around here, she can't exactly say she's shocked to the core at the thought. So instead, she smiles to him. ]

Well you look great for your age, if you don't mind my saying so.

[ A bit of a tease, maybe. ]

But I'm sure you get that a lot when you let people know.