Aparantly the vagina always knows.
A recent study on genital arousal amoung the sexes, compared what men and women said, with how their genitals reacted to different sexual imagery.
'For the male participants... The men’s minds and genitals were in agreement.
All was different with the women. No matter what their self-proclaimed sexual orientation, they showed, on the whole, strong and swift genital arousal when the screen offered men with men, women with women and women with men.'
In other words... the words out of their mouths differed from the responses of their vagina.
Read the whole article here.
What Do Women Want? - Discovering What Ignites Female Desire - NYTimes.com