"I'm going to ask you something and it's hypothetical, okay? I'm not being pushy or intense or any of those weird things I tend to do, I'm just asking."

Bucky stops walking because he doesn't think he can ask this and walk at the same time. Too much brain function.

"If you hadn't been with him for so long, do you think you'd be interested in me? Like I said, it's a hypothetical. Because y'know, I'm a hopeful guy and I'm sitting in my studio writing all this shit the teenage girls are going to eat with a spoon but I know it's not real and it's never gonna be real. So if things were different and you met me first, could it have happened?"