Adults are having sex less often than they were 20 years ago, according to a scientific study in America of almost 27,000 people.
Researchers found that adults had sex about nine fewer times per year than they did back in the late 1990s.
The more things there are to do the more it costs to do any single one of them. Because the price of something is what you give up to have that thing. If there are more things to give up then each and any one choice costs more, people do less of things that cost more.
This has long been tracked more generally. I think we’ll all agree that women’s choices have significantly increased over recent generations. Women are, self-reportedly, less happy than they were. Sure, we can make jokes about feminism and unrealistic goals but the fact of the matter is that female happiness has been moving down much closer to male self-reported happiness.
Closer to that of those who always did have the wider range of choices.
Opportunity costs, it’s the second important thing you’ve got to know about economics.