He lets him go, not moving back but not following Winter if he pulls back or moves away. (Yeah, that's hard, but there's some part of his brain still working enough to know that lunging after Winter won't get him the results he wants.)

"Hey," he says, softly, trying to actually look at Winter; if he can't hold him, then he's going to check him over instead. "Hey, how are you feeling? What do you need? What can I do?"

Okay, maybe it's too many questions at once, but they all come tumbling out.