"Are you always this infuriating or is it just me?" Derek didn't expect much of an answer.
That brought him up short, and then he strode the few paces between he and Stiles and grabbed him by the shoulder, pulling him around so they were face to face. "Do not presume you know anything about him or about the situation, and definitely don't presume anything about me. Do you understand? Yes, I will report him to the aurors because he needs help. I don't know what they've done to him but it is cause for concern. And if I ever catch you saying anything like this about my family again it will be the last thing you do."