“What? Of course not. Do you realize how much hate mail the Headmaster would get for letting a werewolf work at the school? Even as a teacher assistant?” Stiles asked Derek, giving the werewolf a look like he was an idiot. He shook his head and paused to give Derek a once over like he was studying him. “So that rumour your sister started… was it actually true and she was just trying to cover it up with the truth because that would be brilliant.”