Sam knows Castiel well enough to know the change in mental space. He reaches down, slapping his hand across Castiel's hip, just where the redness from earlier fades to untouched skin. "Focus, Cas. I need you here and now."

He rolls his hips again, shifting the plug. "This is all the stretching you get tonight," he murmurs, pushing himself up and pulling back so he can take hold of the end of the plug. "You're going to feel me for days, Cas. Only me."