You're part metal and you have to keep you and her balanced on a table while you move through a debris field. Wear it. [Pulling it off and handing it over.] I'll do what I can about clearing the path. [It's exactly because she doesn't think he's concerned that she wants him wearing it. If she goes under she's going to fight like hell to get back up. She doubts that's true of him and she doesn't want to lose him.]