They buried the lede here. > Sexual activity was largely unchanged among unmarried women, along with no notable decline among gay men, researchers reported. Basically sex is following the pattern of wealth. Men as a group aren't having less sex, instead there's a winner take all effect where a small number of men are having a lot of sex with a lot of women while a large number of men are having little to no sex. It'l…
I wonder if this is actually true. I also wonder what your idea of being less 'traditional' means. Having multiple partners, but going from it being done in secret (i.e. cheating) to it being consensual (i.e. swinging)? Going from a president getting a blow job in office to a president who is on his third wife, embroiled in stripper lawsuits while in office? Gay relationships being legal?