Sunday, July 28, 2013

An Evolutionary Reason You Get Off From Getting Head

One of my many flaws is reading far too many pop science books and drawing conclusions. Here's one such conclusion, drawn after receiving something of an overshare from a friend:

I think we evolved to feel pleasure getting head because it fights STDs.  Not kidding.

I'm not quite talking about the lower incidence of HIV transmission from oral sex as opposed to vaginal or anal sex, or the claim that saliva carries a sparser population of the HIV virus. Though that is certainly interesting.

I'm talking about saliva's generally antibiotic properties.  Like, if you're trapped in the desert and you cut yourself, you should probably spit on it.  For an entertaining discussion about the many capabilities of saliva, check out Mary Roach's Gulp.  Since Mary Roach has editors, I assume I can use this antibiotic property as a baseline.  Now for a little story.

My friend [Bella] is dating a newish girl, been a couple months.  They see each other weekly or thereabouts at this stage, and the oral sex is great.  Suddenly, Bella finds herself with what she suspects is a UTI. Seems they've been riding dirty.  Now there's a dilemma, she says.  Should she tell this girl not to go down there and miss out on the VERY excellent head, or do just keep her mouth shut and risk an infection but enjoy the face-ride?

My response will anger fundamentalist Islamists, Baptists, ancient Roman senators and perhaps certain Jews alike: Definitely let her eat it!  Tell her to lap it wet.  Mary Roach says saliva is like a microbial brigade of awesomeness.  It might make it better!

Worth a shot, we concluded. 

And it worked! UTI faded with more-frequent head.

So now, armed with this singular piece of anecdotal evidence, I've begun to wonder... Is this a novel trick?

Take, for example, two prehistoric women, one who really enjoys - craves - oral sex and one who doesn't care for it any more than doggy style or whatever.  If there's an antibacterial effect to having someone salivate all over your pussy, wouldn't natural selection pick the lady who craves head?

That's even if the head doesn't easily lead to procreation...

I think oral would similarly clean house for men.  Especially with those old diseases they used to have before humans made medicines that made the diseases sturdier.  So why not crave it?  It's good for you, you were born to love it!  That's one more thing religions get wrong about sexuality.

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