[Steve watches him, and he sees it, the way Bucky's eyes lower sometimes. At first he thought he was avoiding eye contact with him for some reason. But they almost always lift again, and now Steve understands: he's looking for his eyes on the level they used to be at.]

You're right.

[He says it firmly, because Bucky's confidence is starting to waver and he doesn't want it to. He wants him to trust himself first, and maybe then he can trust him too.]

I was small and sick and you took care of me a lot. Sometimes I didn't have anything but you. And that's why I had to do it. I couldn't just let you go off to war without me, it wasn't right.