But perfect he was not; shortly the two boys were rolling around on the ground punching each other, and everyone else was exchanging nervous glances and trying to decide whether to intervene. The Slytherins seemed to think Malfoy might hex them if they interfered, and the Gryffindors had noticed that they were outnumbered nine to six even if they counted Hermione, who was unlikely to participate in a fight. Seamus and Dean had just barely decided they were going to try to help Ron when a voice cut through everyone's deliberations like a knife.