• Oxytocin

Boyfriends with high testosterone levels may go on dating sites to satisfy immediate hormonal urges that suppress the effect of hormones that promote monogamy.

• Inferiority

Some unhappy boyfriends seek out opportunities for infidelity. “Time” magazine reports that a man who depends on his girlfriend’s income is five times more likely to cheat than a man with an equal wage.

• Heterosexual Sex with Men

Dating sites can offer anonymous and detached sexual opportunities to heterosexual men who want to explore homoerotic fantasies.

• Opportunity

Some men with high-paying jobs cheat just because they can.

• Techie Curious

They may use a social dating application out of curiosity for an intriguing new community, or seek out adulterous opportunities with like-minded cheaters.