"Oh, I don't know about that. Some people are just better steppers than others, I think." He grins, somewhat self-effacing, and adds, "I'm probably the one who'd bump into things if I tried that, even if I were doing it in my own room. Best to just sit still if I can't look where I'm going, I think."

Which just means he's more impressed that she's managing it. She does move gracefully, though, doesn't she?