Steve & Veronica
Some delusions Steve would have been a lot happier holding on to, but he did at least realize that there was no way he was going to be able to even if Veronica was a little more forgiving toward it. Things were always going to happen one day and in this case he couldn't stop it from happening. He knew he shouldn't want to either.
"Well, one of us has to be," he said lightly, letting go of her hand to wrap his arm around her shoulders instead, tugging her in close to his side. "And you might be on to something. That sibling thing ought to happen, right?"
He was an only child, didn't really know. Bucky's family was the closest he'd ever had.