Really? I take you haven't had the chance to attend many balls, or that the guests to those balls were just a bunch of fools. It's hardly flattery when it's a fact that you move with more grace and ease than anyone else I've had the chance to dance with.

[And again he's being honest. She can see it herself, though the other dancers aren't disastrous there's just no couple of dancers present that could be considered equal to them in how they dance. if it was a dance competition they would have been the only ones left quite a long time ago.]