It's nothing personal. In fact I think that's her general attitude to most ridiculously handsome charming men.

ETA: After looking at how these two react. Clearly they must've known each other as kids/teens and were probably terrible influences on one another right up until she left the Deck about five years back. He could be the guy that almost lured her over to the dark side. Which will just make him meeting Dafydd that much more hilarious, really.