MatureDJ
Master Don Juan
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http://www.time.com/time/magazine/article/0,9171,2007422,00.html
Pretty much what everyone here has speculated ...
Pretty much what everyone here has speculated ...
Our female ancestors grew accustomed to watching many of their children — perhaps as many as half — die of various diseases, starvation, warfare and so on before being able to have kids of their own. This trauma left a psychological imprint to bear as many children as possible. Becoming pregnant is much easier for women and girls in their teens and early 20s — so much easier that they need not spend much time having sex. (See photos of the history of the cougar.)
However, after the mid-20s, the lizard-brain impulse to have more kids faces a stark reality: it's harder and harder to get pregnant as a woman's remaining eggs age. And so women in their middle years respond by seeking more and more sex.