Dean sees him and shuts his eyes. It can't be him. It can not be him. The Doctor isn't real. He was an imaginary friend he made up when he was eight. That night. Those stories. Those were all fake. They can't be real. He can't be real. Sam takes his hand, giving his fingers a squeeze, "Dean? What's wrong?" He knows what he should say. Nothin' Sammy. Just a daydream. A nightmare.