MONOGAMOUS BY NATURE ?– Look To Your Testicles For the Answer !

A perusal of our national and international media seems to indicate that one of humanity's greatest challenges is marital fidelity.

So the question arises–is it in our "nature" to be monogamous ?  And are the unfaithful merely the products of human evolution, acting out unbidden impulses about which they have little control?

Statistically speaking, while 90% of bird species are monogamous, only 7% of mammals are.  Last time I checked, human beings were mammals.

And even among mammals and more specifically primates, there is in interesting correlation with testicle size and sexual fidelity.

Strange as it may seem, in comparison with gorillas and chimps.  Human beings have intermediate size testicles. more closely aligned with those of chimps.  This correlation corresponds with DNA comparability as well.

Of interest is that gorilla testicles are comparatively tiny because they mate with a harem of females.  There is virtually no other male gorilla competition.

On the contrary, female chimps are quite promiscuous.  Therefore, male chimps have evolved comparatively enormous testicles capable of copious amounts of  sperm rich semen.  The better to compete with other males who have made deposits shortly before.

Ah, so what are the implications for comparative human testicle size ?  Clearly we evolved with large testicles for one reason–our females were far from faithful !

So there we have it–sex and science together. 

But does that truth offer excuses for marital infidelity ?  And does it suggest that it is the female of our species that has the more biologically programmed wandering eye ?

Clearly, neither sex is off the hook despite all this evolutionary biology.  We still have free will, I am told. 

We still are held responsible for our actions–despite the call of the wild!


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