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Dean: You know, Sam, we are allowed to have fun once in a while. That's fun.
Andrea: Must be hard with your sense of direction. Never being able to find your way to a decent pickup line.
Sam: “Kids are the best”? You don't even like kids.
Dean: I love kids.
Sam: Name three children that you even know.(Dean thinks and Sam begins to walk away. Dean scratches his head)
Dean: I'm thinking!
Dean: So crayons is more your thing? That's cool. Chicks dig artists. Hey, these are pretty good. You mind if I sit and draw with you for a while? I'm not so bad myself. You know, I think you can hear me, you just...

Season 4 was, in my opinion, the most horrifying season of the series so far, not in terms of plot or grotesqueness, but in terms of the story. Sam and Dean were not the Sam and Dean I’d come to know and love over the course of three seasons. Dean, newly raised out of hell, could do nothing but feel sorry for himself for breaking in hell under Alistair’s torture. He lost a lot of his jocularity and drove himself to the edge of exhaustion to try to make himself forget the unforgettable.

Sam, of course, was the worst. Driven by a very literal bloodlust and a desire for revenge, he forgot everything...