Although the women always started encounters with a stranger with many classical solicitation behaviors, after a few minutes their actions started to reflect their real feelings. Importantly, the women also seemed to control the encounter - what the women did had a direct effect on how the men behaved next.
"You can predict male behavior from female behavior but not the other way round," says Grammer. A woman's nod, for instance, kept a man talking.
Here is a FACT:
About 5.5% of the male population in America never marries.
Of this group, about 50% of these men are homosexuals.