Death

Dean opened the door and followed Jimmy outside.
“Hey, wait a minute!” he yelled.
Jimmy stopped and waited patiently for Dean to catch up with him.
“Where’s Cas? What did you do to him?” Dean asked trembling and furious.
“Don’t worry, he’s alive. He’s in here, somewhere. We switched places” Jimmy explained dark.
“I thought you were dead” Dean snapped hostile.
“Clearly you didn’t pay much attention. Castiel said I wouldn’t age or die. I’ve been stuck in my own body for ages and it’s time Castiel knows what that feels like” Jimmy replied bitter.
“But…how…?”...