It concerns Dean how fuzzy all of this seems for Sam, but he figures the kid just had major head trauma, and he was entitled. So instead, Dean slumps back onto his stool, and tries to think. He's so tired.

"Met the green dude. Cabbage Butt. You beat 'im up?" Dean blinks, and then stops speaking for a long moment.

"... More like shot in the head." Dean mumbles, and that's when he has to close his eyes, to attempt to block out the mental images.