[Steve notices the slight change, the way that her fingers grip that mug like she's thinking about breaking the handle right off. He doesn't blame her, not when her last memory of Bucky was him shooting her in the shoulder.

Both of them have their battle wounds, but they have to hide them, pass them off, because Bucky can't know about any of this right now. Steve feels as if he has to preserve him, keep him safe and away from all of this. He's doomed to live it out, but he should be protected from that for now.]

None of that. He's just Bucky, exactly like how I remember him. It's him, Natasha. And... we've got to keep all of this from him.

[He's asking her to keep a secret after proving to her that secrets were signs of a disease, something they needed to get rid of. It's hypocritical, he realizes that, but this is different.]