63% of women refuse to date men who had sex with other men. 47% of women report attraction to women and 31% had sexual experiences with them. 93% of those women kissed another woman. 85% touched a woman's breasts or genitals. 63% received oral sex from a woman. 55% gave oral sex to a woman. Heterosexual women find bisexual men less sexually and romantically attractive than straight men. Women deem bisexual men less masculine than straight men. Women want less to date or have sex with bisexual men than straight men. Heterosexual and gay men show no such bias against bisexual women or men. Women express more negative attitudes toward bisexual partners than men do. Negativity toward bisexuals increases with relationship commitment level. Women fear bisexual men will cheat with men, get STIs, or turn gay. Men view bisexual women as hypersexual opportunities for more sex. Lesbians often refuse bisexual women. Bisexual women less willing than bisexual men to date bisexual men. Bisexual women more willing to date bisexual women than bisexual men. Bisexual men more willing to date bisexual women than bisexual men. Straight women less willing to date bisexuals than lesbians are.