"Theo causes problems because he's in love with you, and I think once upon a time you were in love with him too, Granger. For some reason, dear old Tom is infatuated with you, and I don't think it will take him long to succumb to his...needs." Draco was feeling brazen and empowered seeing her sitting on the couch in such despair. It gave him a sense of comfort to be talking to her freely in such a manner again.