It is a sign of respect, Bruce!!! Gosh!!!

"Bruce," She repeats, nodding. Then a pause, because it would be really embarrassing if she was wrong, "You were at that party Lady Adelaide threw. With the wine." She shot him a sheepish smile, ducking her head. "I still haven't drank very much wine since then. I hope the Orlesians don't kick me out for it." That time, at least, it was a joke, evidenced by her wry grin. A terrible joke, but a joke nonetheless.