It's not like you can very well play Quidditch on the ground. It'd be like that muggle game Dean would go on about. ...Something about a "Ball" -- all Muggle sports have balls in the names for them, I think. [He's mostly rambling for the sake of the noise. He can't very well hold a proper conversation with the flora with Draco in the same room.] ...But if you haven't figured that much out yet, then what is it you do all day?