Why is it that after men orgasm, we become tired and uninterested in sex?
In: Biology
There is no evolutionary benefit in maintaining an interest in sex if you already are out of sperm and whe continuing to have sex would just make you spend energy without making it more likely for your genes to survive.
There is an evolutionary deficit in having sex, spending time and energy, when that doesn’t increase the chances of gene survival.
But it’s not just a human thing. It applies to a lot of species. This trait goes wayyyy back in time.
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