Tall, symmetrical face, cartoonish V-shaped body? Women regularly have sex with their mates to stop them seeking it elsewhere. Accountants stick around — and sometimes they have tiny little feet! There are very few things we will not use sex for. Loading comments… Trouble loading? Ever had sex out of pity and wondered why? We also get data which confirms that, due to the chemicals your brain produces — dopamine, norepinephrine and phenylethylamine — you are, when you are in love, technically what I have always suspected you to be — mad as Stalin.
We are, apparently, scrabbling around for what biologists call "genetic benefits" and "resource benefits".
Why women have sex
Women often mate guard by flaunting healthy sexual relationships. Some use sex to tell their partner they don't want them any more — by sleeping with somebody else. The smaller female has been ostracised by her rival's machinations, and slinks away. Why are periods called periods? Affluent, GSOH — if too fond of acronyms — and kind? I turn to the book. The authors lubricate this with a description of the male genitalia, again food themed.