Hugs happen in all kinds of relationships on screen, and most of them enhance the connection between the people in it. But then there are those hugs that are just awkward and that you can't even look at.
Castiel: It's very complex. If the pizza man truly loves this babysitter, why does he keep slapping her rear? Perhaps she has done something wrong. Dean: Are you watching porn? Why? Castiel: It was there. Dean: You don't watch porn in a room full of dudes. And you don't talk about it. Just turn it off. Well now he's got a boner.