He relaxes into the touches some of the stress melting away again already sighing as he looks up at her. "I'm glad it's you, I'd probably try to punch anyone else, you and I both know that," it's true, he's just being honest about how on guard he is at the moment, and he fells bad about it, even if he shouldn't.

"Until you tell me again?... Again?" he asks softly his eyes going wide as he looked up at her. He knows they'd been kind of kidding about it all, about being whatever they were that they had fallen for each other but like, the love of his life? Well fuck, that was heavy, but also kind of a weight on his chest.

Prior to her saying that he'd really thought he'd be okay with the joke, with Natasha telling Steve they had feelings for each other, whatever, but that's out the window with the last comment. "We were that close huh? That... explains a lot."