Stiles fought against him, even growled at bit in a tone of voice that was purely supernatural. Eventually though, his fangs were pried from Derek's arm and he found himself scrambling to try and grab it again. Blood smeared along his chin and bottom lip, eyes still glowing red.

It wasn't enough. Or maybe it was and he was just greedy for more. "Sorry, I'm sorry!" Derek didn't look so good. "Did I hurt you?"