andrewducker + evolution + relationships   3

Security 'bad news for sex drive'
They found 60% of 30-year-old women wanted sex "often" at the beginning of a relationship, but within four years of the relationship this figure fell to under 50%, and after 20 years it dropped to about 20%.

In contrast, they found the proportion of me
biology  evolution  health  relationships  sex  Marriage 
august 2006 by andrewducker

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