So I’ve seen a lot of stuff of Bucky having PTSD nightmares and attack Steve, and that’s awesome, but…
Steve having PTSD nightmares and attacking Bucky.
WWII. Steve and Bucky share a tent, not romantically (either because they’re loser boyfriends who won’t even admit they’re boyfriends or because they’re not boyfriends, whatever floats your particular shipping boat), and Bucky wakes up to Steve having a nightmare. A very violent nightmare. Bucky tries to shake Steve awake, it’s not the first time he’s helped Steve after a nightmare; they shared a room in their apartment and Steve’s had nightmares before.
Bucky winds up on the ground with Steve on top of him, Steve’s hands around his throat, squeezing.
Bucky’s too stunned to do anything. He isn’t sure he’d be able to breathe even if Steve wasn’t strangling him. Steve’s expression slowly turns from rage to horror and fear. His hands jerk away and he scrambles back with a sob as Bucky coughs and gasps for air.
"I didn’t-" Steve whispers. "I-"
"It’s okay." Bucky chokes out. "It’s fine, Stevie." He looks up to see Steve shaking his head frantically, and Jesus fuck, Steve’s actually crying. Bucky can count on one hand how many times he’s seen Steve cry. Steve sobs and curls up into a ball, and Bucky’s heart breaks at the sight of it.
He crawls over and holds Steve, whispering reassuring nonsense into his ear until his friend calms and falls back asleep. Bucky doesn’t move for the rest of the night, just keeps rubbing circles into Steve’s back until dawn breaks and it’s time to get up.