Not sure if this is something you'd want to write, but I've had this head cannon for a while.
Steve accidentally overeating post mission because he's exhausted and starving. He just sort of zones out and then realizes he over did it. Bucky wants to give him crap about it, but Steve just looks like such a sad kicked puppy (maybe he's banged up from the mission) so he looks after Steve. Lots of fluffy Stucky for the soul.
"Oh hey, I didn't realize you were back already," Bucky says as he enters the apartment, surprised to see Steve laying on the couch.
"Finished the mission early," Steve shrugged.
Bucky set his stuff down, having just returned from a training session at Stark tower, then walked over to sit on the edge of the couch in front of Steve.
"Woah, what happened?" Bucky asked, reaching out to cup Steve's cheek, which was bruised, reddish/purple blooms already forming. Not to mention the stitched cut on the side of his forehead, the black eye, and the split lip. And it's not as if Steve bruised easily. In fact, he rarely bruised at all, ever.
"Things went a little sideways for a while," Steve shrugged again, turning away from Bucky.
"You need some ice or something?" James asked, already heading toward the kitchen without waiting for a response. He came back a moment later, holding out a back of frozen peas wrapped in a towel. Steve accepted, holding the bag to the side of his face.
"Thanks," he mumbled.
Bucky frowned, "Something else bugging you? You seem off."
Steve shrugged. His favorite response to Bucky's questions tonight apparently.
"Hey, talk to me," Bucky said, voice going softer. A voice reserved for Steve and Steve only.
"It's stupid," Steve sighed, rolling his eyes, "I'm fine," he added.
"Yeah," Bucky scoffed, "You look like you're fine," he said sarcastically.
"Okay, okay... Mission went bad, I was sore and exhausted and starving when I got home so I just grabbed some snacks and watched TV but I zoned out or something and ate more than I meant to and well-" Steve explained quickly, then gestured down at his stomach.
"Oh." Bucky said, realizing that Steve's shirt was pushed slightly up, revealing an abnormally bloated stomach compared to his usual 6 pack abs, one hand resting protectively over his abdomen. "You got a tummyache, huh?" he smirked, elbowing Steve playfully.
Steve winced, "Please don't, I'm really full," Steve said, face flushing red. He wasn't used to being vulnerable like this. It used to happen all the time when they were young, before the war, but now? Now he was usually the one taking care of Buck.
"Right, sorry, um - do you need anything?" Bucky asked, immediately feeling bad for teasing.
"I'll be okay," Steve shook his head, "I just feel like an idiot."
"Hey, it's alright. It happens to the best of us," Bucky said, reaching out to ruffle Steve's hair. "You want me to get you some pepto?" he asked.
Steve just shrugged again, avoiding Bucky's eyes, embarrassed. Bucky sighed, feeling even worse now for giving Steve a hard time.
"I'll be right back babe," he said, squeezing Steve's leg as he stood up. He grabbed the pepto and ibuprofen, for Steve's beat up face, from the bathroom and a can of sprite from the fridge.
"Here, take these and drink up, it'll help," Bucky said as he returned.
Steve obediently took the pepto and dry-swallowed the ibuprofen, but he didn't take the sprite.
"It'll help settle your stomach," Bucky said, holding it out to Steve again.
"I don't want to put anything else into my stomach," Steve shook his head.
"I know darling, but you've probably got some gas in there and this'll help get it out," Bucky said, placing a hand on Steve's stomach, rubbing back and forth gently.
Steve's face flushed red again, but he didn't argue, accepting the sprite from Bucky and taking a sip. Almost immediately he let out a small burp. He covered his mouth quickly, blushing even harder.
"It's alright doll, your belly ain't feeling good. Better out than in right?" Bucky said.
Steve shrugged, but quietly mumbled, "Thanks."
"Course, now how about you sit up for a sec so I can scoot in behind you?" Bucky said, standing up from his perch at the edge of the couch.
Steve silently did as he was told, sitting up enough for Bucky to slide in behind him, stretching his legs on either side of Steve's body and wrapping his arms around his waist to rest on Steve's bloated stomach. When Steve didn't say anything, he slipped his hands under Steve's shirt and started to rub back and forth on his bare skin.
Steve moaned softly, leaning his head back onto Steve's shoulder. After a moment he let out another belch, turning away from Bucky and covering his mouth.
"S'cuse me," he mumbled, stiff in Bucky's arms.
"It's alright, keep going," Bucky encouraged, continuing his belly rub.
Steve responded with another burp, his stomach acting all on its own now, forcing all of the air out.
"There we go," Bucky said softly, still rubbing gentle circles over Steve's stomach.
"Thanks Buck," Steve mumbled, relaxing back against Bucky, finally just deciding to let it happen.
"Anytime Stevie," Bucky said, leaning down to press a kiss into Steve's hair. He had to admit that it was kind of nice to be the one taking care of Steve again, just like the old days.
















