Leaving Lisa and Ben behind was hard for Dean. Of course it was! He's been living with them for a whole damn year! He built a life. The closet thing any hunter could get to a happy ending. But good things never do last long...

Sam was came back from Hell and now Samuel, their grandfather, was too. Dean was dragged back into the hunting life.

He was happy that Sam was alive, obviously, but throwing away everything he's been trying to damn hard to built in the past year hurt bad.

"Do I regret it?" Dean scoffed as he was asked that question.

Yes, he wanted to say. He wanted to get back to Lisa and Ben. But instead he just looked down and went, "I don't know..."