The cultural expectation should be if there's infidelity, the marriage is more important than fidelity.
Straight people are everywhere!
I am not an idiot, and I'm not a Pollyanna sort of kumbaya type.
A huge part of what animates homophobia among young people is paranoia and fear of their own capacity to be gay themselves.
Men were never expected to be monogamous.
The mistake that straight people made was imposing the monogamous expectation on men. Men were never expected to be monogamous.