I get that for everyone else, but Castiel said that some people where special and could see and hear him for what he was. Since God told him to pick Dean out of hell, I think Castiel assumed that Dean would have been one of those people. In fact, he tries twice to talk to Dean using his real voice and ends up shattering all the glass in the room. He seemed surprised, and then he went straight into the "you don't think you deserve to be saved" eyefuck. That's where X came from. : )

I've seen that a lot of people didn't like the new Ruby, but I think that I can like her way better than blonde Ruby. I didn't like the actress and I couldn't stand Ruby's arc in S3. It's still early in the game though, but I want to be able to like her. Sam/Ruby would not make me happy. He doesn't even like her, but I think that maybe the Sam I used to know has checked out of the building. : (