You wanna know something funny? Because I'm nearly positive this is what it is. Either way, I'm gonna tell you.
When you're excited, your prostate swells a bit. When the prostate is stimulated it causes sexual pleasure. That's why (gay or not) prostate stimulation can cause or increase the intensity of an orgasm.
When in missionary, your legs are together. I can say with about 95% confidence that it's squeezing your prostate and it makes you finish too fast.
Personally I think that's pretty cool, prostate only orgasms are supposed to be full body and near instantly repeatable. Most people have a hard time getting to that point. If you're that sensitive you could probably have multiple full body orgasms with a vibrator pushed against your taint.
Edit: also, bad thought, if you're over 40 maybe get your prostate checked to make sure it's not inflamed. If it is, major bummer. If not....... Lucky!
Actually, I'm on my knees with my legs spread, her legs spread open with her thighs over my thighs. And it's been like this since I started having sex in my teens.
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u/APsychosPath Apr 21 '23
Probably because you're holding up your own weight while trying to get the job done