Space
Dean supposed he should have been used to this kind of treatment. After all, Cas rarely let a small bump or bruise go unnoticed without his angelic interference. It was still just slightly off-putting when he was capable of healing his own wounds.
"Cas, what are you doing?" Dean asked, rubbing his eyes free of sleep.
"I'm healing you."
"Yeah, I get that, but why?"
"You said you were dizzy," Cas replied.
Not willing to debate the potent effects that alcohol could have on a person, he grudgingly allowed the angel to place his hand on his head and heal him of the dizziness.