If the government wasn't so adamant on keeping tabs on him he would have happily retreated alone to a mountain range somewhere, building a cabin to live in, and just live out the rest of his days on his own. He's too guilt-ridden to try and break free off on his own and actually do that, but the Alps was more or less a brief manifestation of that fantasy. And, maybe, Bucky's found that he prefers having company than being alone - as long as it's not Sam a certain type of company.

"You had your--... things out," Bucky protests quietly. They were just there. He didn't go looking or tear any clothes off or-- well, hey, what the hell does that mean, anyway?

"I wasn't perving on you!" he snaps a little bit louder than he'd probably intended to.