A new hypothesis, published in the journal Evolutionary Psychology, says women may be more "hetero-flexible" because cavemen sometimes deserted us, and pairing up with another female was a way to still provide the family unit needed to raise tiny cave people.
"Being born with the ability to [be attracted to men and women] may have been beneficial to ancestral women," said Barry X. Kuhle, the study's co-author.
.................作者: NewLynnHse 时间: 2013-7-18 09:33:11