He instantly jumped up at the feeling on his neck. Hands flying back to rub at the skin that had been violated, Ron yelped and glanced off at Hermione with a horrified look on his face. "I'm not staying in here! You lot are bloody well off your birds if you think you can just keep me holed up in here!"
He hurled himself at the door again, suddenly more than determined to break his way from the small room.