[Draco's expression sours with a scathing and judgmental glare, and he leans his head back, as if recoiling from his baffled offense.]

And who are you?

If you don't realize why this specific casual inquiry is disturbing, then that isn't my problem.

Replying to it obviously is not mandatory, but I'm not going to sit by with my arse on my hands when my face is essentially spat on!