[ This pause is no longer brief or subtly or ladylike. This pause is just full on incredulous staring for longer than what's socially acceptable. She's seen Lui like last week and everything was well with him, she is certain. ]

... did you hit your head?

[ Before he gets a chance to answer though, she continues speaking. ]

Pardon me, that was a rude question. In any case, I have no recollection of something like that happening.