The culture insists men and women would be happier if they pretended they're interchangeable and moved through life accordingly. 

But study after study after study after study proves otherwise.

LINKS:https://news.illinois.edu/view/6367/542579
https://www.pewresearch.org/short-reads/2017/09/20/americans-see-men-as-the-financial-providers-even-as-womens-contributions-grow/
https://slate.com/news-and-politics/2006/03/why-feminist-wives-are-unhappy.html
https://thelibertarianrepublic.com/nyt-traditional-gender-roles-may-mean-better-marriages/