"Me? Nah, I'm more of the...spectator sort of person," he shrugged and casually stepped a little closer, his fingers running over the spines of the books, "what about you? You don't play quidditch or anything like that do you?"
It occurred to Harold that he really didn't know that much about many of the Slytherins. As a house he tended to avoid them. There were far too many kids in there who wouldn't hesitate to punch him square in the face if they caught him stealing, and though or perhaps because, they were often well off, they never tended to want to buy anything from him. "I'm guessing, judging by this lot," he indicated to the bookshelf with his head, "that you're more of a watcher than a doer as well huh?"