Over half of gay and bi men were also in stable, long-term relationships’. Over 75% of straight men were in long-term relationships. About one third of bisexual men and around one half of gay men had sex with more than 30 different people. Gay and bi men more likely to have more sex partners than straight menīy 45, 98% of straight men had sex with up to 10 different persons. Gay men were more likely to engage in oral sex (91%) and less likely in anal sex (64%). In the last three months, 98% of straight men had vaginal sex. ‘This is probably the result of a discovery phase,’ Professor Kathleen Herkommer, study director, said. This, too, was regardless of orientation. Only two years later, on average, some had sexual contact with men. Nearly all of the men had their first sexual encounters with a woman, regardless of their sexual orientation. Researchers interviewed men aged 45 about their first sexual encounter, the number of partners and their sexual practices. That is according to a large study of over 12,000 gay, straight and bi men in Germany by the Technical University of Munich. One in 10 older gay men have slept with a woman in the last three months.