[ This exchange seems to be getting stranger by the moment. Bucky doesn't talk much about the interactions that he has here, and certainly hasn't mentioned any flirtatious robots. Just what is Mettaton implying?

Whatever it is, Steve's probably overthinking it, so he brushes it off and focuses on answering the questions instead. Though he sets his food aside and crosses his arms over his chest, a subtle sort of defensiveness. ]

We've been friends since we were kids. We fought in the war together.

[ They'd lived and died together, in other words, and Steve had failed to keep Bucky safe. But he doesn't need to get that deep into it with a relative stranger. ]

And it was a German scientist who developed the serum, though he had the US military backing the experiment.