(Tony Stark x any gender reader)
For being such a dick sometimes, Tony Stark is a sweet lover. He's slow and gentle, peppering kisses over your face when you whine out at the stretch of his cock pushing against your hole. He rubs your calves when you kick your legs out at his hips, body instinctively trying to push the man responsible for its overwhelm away.
"Baby, it's okay. I promise it's okay. I'll go in, in one go, yeah? Maybe that'll help you out, minimize the feeling of something pushing." Always the problem solver, even when he's flushed a splotchy red all the way down to his ribs, big brown eyes staring down at with such a look of arousal on his face it almost hurts to have it directed at you.
And he does push in, in one big push. Lets you adjust for a minute, because your back is arching, nails clawing at his shoulder, kicking your feet against the bed for something solid to set their soles against.
He coos at you, whispering soft little "did so good", "you feel so good around me", "I know it's a little much, but you're tough, yeah?", while he rubs his big hands across the tops of your thighs, leaning down to kiss at your chest.
Once you're adjusted he's thrusting in and out, not hard but fast. Fast and gentle, doesn't give you a second to feel overwhelmed. Even when your digging your nails into his shoulders and your legs are giving those little twitches, he knows it's not because it' 'too much', it's just because it feels good. He knows this because you can't keep your mouth shut when he's in you, babbling on and on about how good he feels.
"Feels- feels sooooo good, Tony, so good. Love it so much, love your cock so much, feels so so good, please, please, please, please. I love you, I love you, I love you." You sob out that final 'I love you', shaking as you get closer, tears springing in the corner of your eyes as you try to push him away. He's nailing that spongey spot inside you with every thrust and it's just so good, too good. The feeling of needing to cum is *so* sharp, an achey feeling in your stomach that has you crying.
"Oh, shhh, shhh, it's okay. You're okay. Don't run from it, you wanna cum don't you? Wanna feel good?" He waits until you nod to grip your hips, holding you down so you can't squirm away from his cock. He wipes away your tears, cups your splotchy red-patched cheek as you shake through your orgasm, hiccuping as you thrash.
He knows better than to pull out, but he also knows better than to keep going. So fine, he doesn't get to cum tonight, or atleast not in you or in the next 30 minutes. But it's fine, it's fine because you're sniffling now, looking up at him all sleepy with a little shaky smile and he's never loved anyone or anything more than he loves you.