Bisexual behavior in boyfriend

Research on special conditions such as congenital adrenal hyperplasia CAH and exposure to diethylstilbestrol DES indicate that prenatal exposure to, respectively, excess testosterone and estrogens are associated with female—female sex fantasies in adults. Philadelphia and London: W. Weinberg and Colin J. Sigmund Freud , the founder of psychoanalysis , believed that every human being is bisexual in the sense of incorporating general attributes of both sexes. When men shout "dyke" at my girlfriend and I or try to have a threesome with us, it's really upsetting. Dual Attraction: Understanding Bisexuality.