Steve doesn't relax fully just because Peggy seems to be back to herself. If the music could do that there's no telling what else it could do if a stray bit comes drifting their way because the wind changes direction.

"You didn't hurt anyone." He might have a few bruises from blocking blows instead of redirecting them but nothing he hasn't gotten before in a fight. He figures she'd want to know that given how sudden and complete the take over of her mind was.

"So only an inch shorter than usual," he jokes because he really has no idea what else to say to something like that.