Lately, every time Dean sarcastically dismissed his observations, Castiel wondered why he did what he did. Of course, the answer was simple. Or at least he thought it was. Dean was the one he had promised to help, so he was going to help him.
What he never considered was that he never stopped following orders.
"I can't leave," he said flatly. It made him feel sensations that he was unaccustomed to. He felt anxious, trapped, and weak. He had so little experience with the feelings that he did not know how to express them.