"No," Steve agrees, firmly. "No, B is B." It's not a do-over.

It's -

It's kind of horrible, is what it is, because, "I don't - know if I'm allowed, Lark. Every time - every time. I lose them."

Peggy. Bucky. He can't put it out there again, because fate will catch a whiff and be on him like a bloodhound. He'll lose B. Or Annie. Or both.

He cannot do it again. He is not that strong.