Then that's what we'll do. [His quick agreement should, if nothing else, tell that he doesn't have anyone he feels he should be telling about this - besides this is something she can decide, as talking about it would be talking about her and he won't do that, not if she doesn't want him to.
If her return to addressing him by his rank isn't completely a surprise, her cold words are a slightly bit more so. The only way he shows it, how the distance she's clearly establishing actually twists something in his chest is the way his eyes tighten a little, his mouth turns only slightly down.]
No, guess I'm not. But you ain't lettin' or not lettin' me do anything, either, and I wanted to run after you, so I did. [He sighs, running a hand through his already frazzled-looking hair.] Look... I get you're upset, and you got all the right to be. We don't gotta talk about it if you don't want to.
But- call me Bucky, okay? That's the only thing I got to ask of you... ma'am.