In many respects, Harry is an utter prat, but he isn't quite so terrible to snap at a man that's just said he's lost his partner. It's a surprise and that shows in his expression, but there's little Harry holds as dear as family. It's one of the few things he's always had in common with the Malfoys.

"Alright. I don't really understand how this place works, but if you say so, I'll believe you."