It probably isn't possible for his smile to get any more smug right now.

"I see," he agrees. "Yes, that would be embarrassing. I would suggest a different topic then, if that one is upsetting you."

A pause. Then... "Perhaps you could explain to me exactly how invaluable Kara is to you then? Seeing as you do seem to have first hand experience with working together?"

Oh wait, it turns out he can look even more smug.