>>> Why do men cheat?
It depends on a whole bunch of factors. Usually it can be boiled downto: they don't think they're getting the attention they think they're entitled to getting. Other times, it's cause they f-up and try to not do it again
>>> Western society thinks women are driven by...
That's why men cheat, too. Both men and women, especially with trauma, find risk to help foster a sense of self (Lanius, RA, 2020). The inherent risk in cheating allows them to feel like themselves and that self get attention that feels good