Blowjob

"I'm proposing that you use your mouth." you say.

"If that is what it takes." she says. Without hesitation, she starts licking the top of your head. She can't suck all of your cock, but she continues pumping the rest of it with her hands.

"I should note, you won't be able to donate your sperm this way."

"That's fine. Do you want me to tell you when I'm close?"

"Just cum as soon as possible."

Alright. You can cum in her mouth. She continues to bob her head on your cock. It's still nowhere as intense as the machine. But watching this scientist, this beautiful, intelligent woman suck your cock so soon after meeting her is turning you on.

She bobs her head faster, looking at you expectantly. You can't hold it much longer, and cum. She takes her head off of your cock, letting you spray cum all over yourself. She scoops it up with a cup.

"The saliva will have killed some of the sperm. However, this should be enough."

"And what will you be doing with it?"

"That is none of your concern."

That can't be good.

"Well, thanks for the blowjob."

"I think we will continue to use the machine."

Shit. So much for that.

Looking at the expression on your face, she follows it up with "But perhaps I can make some refinements."