Creampie

You fill up her womb like you always wanted. She of course can't help orgasming as she absorbs it for nourishment.

"That's a good alpha male. You want to see the result?"

She swells her breasts and stomach to show you what Mrs. Parks would look like pregnant. You leak leftover cum and she licks and sucks on the tip for it.

"You are such a hedonistic glutton."

"And you're a manipulative pervert, but I love it. Since you've keep me so well fed, I'll let you save the rest of today's loads for human pussy, whoever's it may be. Though if you need a condom, I'll be happy to fill that role."

"The idea intrigues me. It turns a round of sex into a secret threeway of sorts and provides a free, reusable, custom condom with guaranteed success."

"And if you want to knock them up, I can just 'malfunction' for you."

"That's terrible. What kind of guy do you think I am?"

"I know. That's why I knew you wanted to hear the option, even if your sense of morality holds you back from choosing it. Not that I'm trying to corrupt you."

You start doubting that. After several hours, Anita returns home. You're already calculating how much time you have alone with her when she starts talking to you about something.

"Listen, last night was great, definitely. I don't regret the experience. But, I think it would be a mistake to make it a regular thing. I've organized a slumber party tonight with all of your confirmed fans. Maybe some just want the experience, but some are serious. I want you to try to have a normal relationship. You don't have to make one your girlfriend tonight, but try not to hurt anyone. Are you okay with all this?"