"Not one word."

Sam grinned at the finger Dean was waving in his face.

"I mean it," the older brother warned.

"What?" Sam shrugged, schooling his face into something that feigned innocence. "You don't want me to say anything about how you were making out with a vampire that was about to suck your blood and your ass got lucky that I was around to knock her head off before—"

"ENOUGH."

Sam laughed as he slid into the passenger's seat of the impala. "You mean you don't want me to talk about how your were too distracted with her knockers to notice her fangs?"

"Sammy, I swear to god if you don't shut up right now I'm going to throw you out of this car and leave you here to rot."

"I mean, I know you like redheads, but who knew, right?" Sam's grin, downright gleeful by new stretched across his face with no end in sight.

"Sam." Dean's eye was twitching oddly.

"Maybe I should dye my hair red and then you'd slobber all over me like that."

"…What?"

"I mean…" Sam's grin faded and he peeked sideways at his brother, who was failing to watch the road in favor of staring at his little brother as if he'd just turned three shades of turquoise.

A car horn blared and Dean jerked the wheel, eyes finally prying away from Sam to gaze back at the stretch of highway before them.

"About that redhead comment," Sam ventured after a moment.

"You'll shut up about the vampire?"

"Done."

The rest of the ride back to the hotel was blissfully devoid of conversation.