15 Jan female bisexual cheating? Photo: Blog shades-of-sexuality. Ultimately, I'm not sure there is a difference between bisexual and heterosexual fidelity, when it comes to what a couple actually does. For couples and individuals to deal with infidelity, it takes communication, self-knowledge, respect and work. 3 Aug Just like how it used to be with gay kids except not like that at all. If someone is in a monogamous relationship and they say they're bisexual, it's a bit suspicious. Bisexual people are more likely to cheat on their partners because there's more people they could cheat with and that's just maths and you can't. 5 Aug Proving bisexuals get the shaft (no pun intended) either way (either erasure or exploitation), the women in the study were very unlikely to continue dating a man who had sex with another man. Only 21% would stay with a same-sex cheater. Researcher Jaime C. Confer, the study's lead author, say the.