You are off limits. Completely, at least to him. You are Bobbys daughter, and Dean’s always seen Bobby as a father figure, someone he respects and looks up to. So when he found himself swooning over you, he knew that Bobby would kill him if he knew

So he was reasonable, at least to him and he started ignoring you. Pushing you away, making himself completely unavailable. This time you were just walking by him and he grumbled, as if you were about to talk, a single

“I’m busy.”

He hated it