"Cas, baby, you OK?"
Cas squinted, blood still pouring out of his chest, looking up at Dean with surprised confusion. Dean felt a blush, steadily rising up his neck, creeping up onto his cheeks. He heard Sam chuckle next to him. His gaze dropped, he shifted awkwardly, opened his mouth, closed- and his face was burning hotter and hotter with every agonizing second.
"Did you just call him-"Sam began, voice dripping with uncontainable amusement.
"I MEANT TO SAY 'BUDDY' OK?!"