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Satoshi Kanazawa Evolution Theories

Evolution Explains Why People Spend Saturday Nights Alone

Next time you spend Saturday night home alone you can seek comfort not in chocolate but in knowing you're not alone. Millions of people around the world are in the same position, home alone on a Saturday night because they "don't possess the qualities that members of the opposite sex seek in potential mates."

That's Dr. Satoshi Kanazawa's theory. The evolutionary psychologist is famous for his controversial declarations on human nature, such as ugly people have more sons, liberals are smarter than conservatives, and most suicide bombers are Muslim men because polygyny (like polygamy but with an allowance for mistresses and concubines) creates a surplus of sex-starved men. So this sweeping generalization is just another provocation disguised as tough love.

Dr. Kanazawa explains his home-alone theory by saying what men and women want in a mate is universal. Men seek youth and beauty; women seek power and wealth. A little inferring and a lot of generalizing leads to this reductive "truth": if you're not out socializing then you're not desirable.

That's weird. Because I see undesirable people out all the time on Saturdays.


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stephley stephley 6 years
"Men seek youth and beauty; women seek power and wealth" This seriously and stupidly oversimplifies.
stephley stephley 6 years
"Men seek youth and beauty; women seek power and wealth"This seriously and stupidly oversimplifies.
xxstardust xxstardust 6 years
While I don't agree with Kanazawa's conclusion or the decision to infer a "truth" about human nature that discusses staying home on a Saturday night (Kanazawa is generally scorned even within the academic community of evolutionary anthropologists and psychologists), I'm saddened by the lack of research that went into writing this article. First, your definition of polygyny is inaccurate: polygyny is merely a mating system in which there is one male and multiple females and thus can exist in any social animal, not just humans (for instance, gorillas also are polygynous). Polygamy is a uniquely human marriage system which is not a variant of polygyny but instead an entirely separate cultural institution. Polygamists generally operate within a system of polygyny (although there are less commonly polygamists who operate within a system of polyandry, a mating system with one female and multiple males; one example is the traditional Sherpa societies in the Himalayan mountains). More simply put, polygyny (and its counterpoint polyandry) are mating systems; polgamy is a marriage institution.Stephley - there is a lot of evidence which suggests (though obviously not universally, there are few if any scenarios which are truly universal) that from an evolutionary perspective, men are subconsciously geared to look for women who demonstrate cues of fertility, and that these cues, which include youth, a waist-to-hip ratio of 7, curvaceousness in the hips and breasts, etc, generally translate into cultural ideas of beauty - not just in our own Western culture but cross-culturally. Similarly, women generally tend to look for men who have the potential to be a supportive (both materially and otherwise) partner - note that this doesn't preclude poor men from marrying but instead behooves women subconsciously to determine if a man is a good partner/potentially equal provider in a relationship. I think that reducing this trend to "youth/beauty vs. power/wealth" drastically oversimplifies the theory and allows for polarization in debate. If you're interested, look up the works of Buss, De Sousa Campos, Busten/Emlen, Roney/Lukaszewski, Marlowe, and Rommel, just to scrape the tip of the iceberg on the topic ...
xxstardust xxstardust 6 years
While I don't agree with Kanazawa's conclusion or the decision to infer a "truth" about human nature that discusses staying home on a Saturday night (Kanazawa is generally scorned even within the academic community of evolutionary anthropologists and psychologists), I'm saddened by the lack of research that went into writing this article. First, your definition of polygyny is inaccurate: polygyny is merely a mating system in which there is one male and multiple females and thus can exist in any social animal, not just humans (for instance, gorillas also are polygynous). Polygamy is a uniquely human marriage system which is not a variant of polygyny but instead an entirely separate cultural institution. Polygamists generally operate within a system of polygyny (although there are less commonly polygamists who operate within a system of polyandry, a mating system with one female and multiple males; one example is the traditional Sherpa societies in the Himalayan mountains). More simply put, polygyny (and its counterpoint polyandry) are mating systems; polgamy is a marriage institution. Stephley - there is a lot of evidence which suggests (though obviously not universally, there are few if any scenarios which are truly universal) that from an evolutionary perspective, men are subconsciously geared to look for women who demonstrate cues of fertility, and that these cues, which include youth, a waist-to-hip ratio of 7, curvaceousness in the hips and breasts, etc, generally translate into cultural ideas of beauty - not just in our own Western culture but cross-culturally. Similarly, women generally tend to look for men who have the potential to be a supportive (both materially and otherwise) partner - note that this doesn't preclude poor men from marrying but instead behooves women subconsciously to determine if a man is a good partner/potentially equal provider in a relationship. I think that reducing this trend to "youth/beauty vs. power/wealth" drastically oversimplifies the theory and allows for polarization in debate. If you're interested, look up the works of Buss, De Sousa Campos, Busten/Emlen, Roney/Lukaszewski, Marlowe, and Rommel, just to scrape the tip of the iceberg on the topic ...
snarkypants snarkypants 6 years
i think this guy probably spends more than just saturday nights at home alone. stupid research.
Annie-Tomlin Annie-Tomlin 6 years
Dr. Funke!
Annie-Tomlin Annie-Tomlin 6 years
Dr. Funke!
stephley stephley 6 years
I bet some of the people home on Saturday nights are perfectly nice looking and comfortably situated but would rather not fight crowds and troll bars looking for a mate. If "Men seek youth and beauty; women seek power and wealth" is universally true, why are there so many, very poor, married couples all over the world?
stephley stephley 6 years
I bet some of the people home on Saturday nights are perfectly nice looking and comfortably situated but would rather not fight crowds and troll bars looking for a mate. If "Men seek youth and beauty; women seek power and wealth" is universally true, why are there so many, very poor, married couples all over the world?
onlysourcherry onlysourcherry 6 years
lol @ tobias and his hair plugs. Just this past week on a Saturday I was dogsitting for my parents and watching episodes of Lost online. There were like 100 ads for depression medication and I was like "What's up with these depression ads?" and then I realized "Oh, right, because I'm watching episodes of Lost online on a Saturday night."
onlysourcherry onlysourcherry 6 years
lol @ tobias and his hair plugs. Just this past week on a Saturday I was dogsitting for my parents and watching episodes of Lost online. There were like 100 ads for depression medication and I was like "What's up with these depression ads?" and then I realized "Oh, right, because I'm watching episodes of Lost online on a Saturday night."
PopSugarTV PopSugarTV 6 years
Ha! That last line made me LOL. Love it.
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