The reality of what he was doing started to trickle through the panic. It wasn't just a tool, it could be considered a weapon. He tried to focus on the terrible things that could happen from that: kicked off the team, expelled, reputation ruined. But it was the thought of the terrible things Draco could do if he didn't. Specifically involving the word unforgivable.

Finally, as if a string had been cut, his arm fell to his side. But he didn't move otherwise. In fact, he seemed to press himself tighter against the wall, bracing for the worst. He looked like he was going to be sick, or that he might pass out. There were too many things to be afraid of, and he could no longer tell which ones were real and which ones were just in his head.