Stiles hadn't had time to react to Derek's reaching back before the smack at come. His head snapped to the side and pain blossomed from his cheek but he knew from the hit it wouldn't bruise. He swore Masters took a course on how to hit their slaves without leaving a mark. Stiles hated it.

He turned his head and glared as he got to his feet but he took his sweet time. He moved slowly, like he was 90 and not 17. "I was just trying to be helpful."