"Not as much as you'd think." Not as much as Claire, at least. She might not be stitching up superheroes on the regular, but she's an ER nurse -- she probably deals with stitching up plenty of people with more mundane injuries. "Usually, he's out there with them."

And while he's never seen the Hulk up close and personal, he at least understands on an intellectual level that it wears him out. He's probably not stitching up too many people, afterwards. Matt figures he just falls into bed.