Absolutely. I almost expanded my story to delve more deeply into that phenomenon, but felt I was already getting a little off point.
Yes, I believe that expectations of sexual fidelity used to be very much a one-way street.
Having attended more than a handful of business and trade conventions around the country, I can observe that very many straight men are enthusiastically polyamorous when they’re out of town and outside of spousal supervision.
God forbid that their wives should behave the same way, though.