Offer to clean him up

"I got this," you say, putting a hand on his shoulder and pushing him down onto his back. He looks apprehensive, watching you as you lean down and begin to lick the fluids from his skin. That first spurt shot halfway up his chest, and you figure you're already halfway there, so you lick a path to his left nipple, laving the tight nub with your tongue until it's hard and shiny with spit. And since it wouldn't be fair to do one and not the other, you lean over him and give his right nipple the same treatment, drawing a low moan from his lips.

"I didn't know that would feel so good," he says as you return to cleaning him up.

You smile against his belly as you swallow the thick, salty cream on your tongue. "I'm sure there are a lot of things that you're going to discover feel really good."

"Like having a cock in my ass?" he asks, sounding like he's already made up his mind that being fucked would be worse than getting a root canal.

"Yes, like that," you say. You lap at the cum on his belly, your tongue dipping down into his navel, and he laughs, his stomach jerking away from you. "Hold still."

"Sorry, that tickled," he replies. After a moment, he sighs. "I want to trust you, but... I've heard that being fucked hurts, and that only the guy doing the fucking really enjoys it."

"That's bullshit," you say, sitting up to look him in the eye. "Whoever told you that is doing it wrong, or they're just stupid. Or both. If you let me fuck you, I guarantee it won't hurt, and you'll cum harder than you ever thought possible. And, if you really, honestly don't like it, I'll never put my cock in your ass again. That's a promise." You leave him to think it over while you finish licking up the cum. Once his stomach is clean, you turn your gaze to the white streaks on the flaccid shaft of his cock, and your lips twitch in a devious smile.

He moans as your tongue slides down his shaft and over his balls. "Really? Already?" he asks.

"I'm just trying to clean up the mess," you tell him. You suck one globe into your mouth, roll it with your tongue, and let it pop out again. His cock twitches as you do the same to the other, and starts to harden. Licking the drying semen from his rod, you bring him back to full erection. Finished, you place a light kiss on his sensitive crown and sit up. "All clean."

"Thanks," he says. "Now what happens?"

You give him a smoldering look. "One of us is getting fucked."