Dean, Sam and Castiel go out drinking one night. When Sam leaves early because of the long day, things get serious between Dean and Cas. When something terrible happens to one of them how will they take it? What will happen? Will things ever be the same? Head over heels in love is one way to put the relationship with Dean and Cas.

Dean discovers that his angel, Castiel, has a very interesting weakness. After triggering this weakness, Castiel must learn to contain it, for Dean's sake, and to keep things from getting awkward. The thing is, though, he can't help it. Warning: Swearing, Boy x Boy, Smut (Imeanwut?), etc.