Have you thought that maybe you already have? [As far as he lets more people go. Maybe even more. Lacus isn't Steve. And she isn't one of the Commandos either. There are just some bonds you can't share with people who haven't experienced the worst of human beings with. But she's there. They don't even know each other that well.
Bucky should be warning himself to back up. To slow things down before this gets too deep.]
As long as we're enjoying where things are going, I don't think we need to question it too much.