He hypothesizes that being sexually attracted to women and men could come in handy in many circumstances:
The hypothesis, published this April in the journal Evolutionary Psychology, suggests that more fluid female sexuality may have evolved because it benefited women's offspring.
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There was a hierarchy in the harem as the girls competed to be "No.
One example of situational sexual jess impiazzi nude includes when people might not have sex with prostitutes in their home countries, but may do so when they visit other countries, where such activities are legal or ignored by authorities.
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Ultimately, evolutionary theory proposes that part of the reason female bisexuality is not only favored over homosexuality, but has the ability to arouse male lust even in the present day, may lie in our genes.
Just as Earth revolves around the sun because of gravitational attraction, the hapless Beta male will go into orbit around a girl he finds attractive.