Castiel calmed down a little when Rose assured him that she wasn't going to leave him stuck there like that. It was bad enough being held where he was, but the oil can sitting right in front of him was some sort of torture.

As she approached to help him, he took her advice and stood as still as possible. There was a soft grunt of discomfort as she worked the clasp, and once it was open and the first piece was removed he gasped for breath and sighed deeply.

"Thank you."