He shook his head. While he was very aware of who she was, he forgot sometimes that she knew the founders. She knew the founder of Slytherin house, for Merlin's sake!
Though, her brisk tone did make him think that she thought what he had said was stupid as well. He drank the rest of his pint, trying to ignore the blush. Merlin, looking stupid in front of the daughter of Rowena Ravenclaw was not good. He sat back, trying to think of something safe and not inappropriate to talk about.