Oh dear God almighty and all that is holy and good! Sam had not been expecting that. The noise that escaped him was barely human. Breathing? Right. He needed to remember how to do that. Air into lungs. Good, very good. In, out, in. Breathing mastered! One hand gripped at the bed, the other coming to rest on Dean's head, threading his fingers through the man's hair.
"God, Dean..." If he kept up with that Sam wouldn't be able to hold back. "DeanDeanDean..." Comprehensive thought? What was that then?