The Mending That You Need: “He’s not my boyfriend, Stiles. He’s a man from a club. I couldn’t call him, if I wanted to.” The One Where Derek Almost Dies: "You remember that one time you got shot and almost died in my car? And that other time when... well, you were shot then too and almost died in my car... again. What is it with you and almost dying in my car?""

He feels helpless, and not in the good way. Not in the way he needs to feel, the way that means freedom. Being the Alpha means not getting to feel that anymore.