When his face is pulled into Bucky's lap, Sam freezes for a moment. Bucky will feel it too, the way Sam goes tense. Bucky will have to forgive him for being suspicious, when Sam doesn't know him well enough yet to know Bucky would never cross that line. There's a lot of hard fetish porn centered around alphas knotting the mouths of their partners, and some alphas apparently think it's hot. It's not - uncomfortable and dehumanizing is what it is. It's when Sam realizes that Bucky isn't gonna that he relaxes again for the rest of t he drive. Maybe even drifts off a little with the weight and taste of cock on his tongue. What he can say? It can be comfortable, keeping someone warm without expectation of active participation.

He will regret showing his hand on that, later. A problem for future Sam.

For now, he's so exhausted he's not fully aware of the fact that Bucky's staying until he's sliding into bed.

"I want to be alone," he whines, and knows he sounds cranky and petulant. Can't help it though. He's just exhausted, overly sensitive, and feels... not violated, no. But like his boundaries are being pushed hard and consistently. So he sniffs, indignant. Squirms a little to try and free himself from Bucky's embrace. "Why do you even know where everything is? Fuck, did you break in?" He wishes he could sound more pissed off, truth be told. But the truth is he's already drifting a little, so exhausted he can barely keep his eyes open.

So exhausted he even forgets to set himself an alarm, too.