Robuta

https://www.lifesitenews.com/news/couples-who-cohabitate-before-marriage-are-more-likely-to-get-divorced-data-shows/
Sixty-six percent of the nationwide sample of American couples involved in the research lived together before marrying.
couplescohabitatemarriagelikelyget
https://www.inverse.com/article/5210-unmarried-couples-who-cohabitate-experience-the-health-benefits-of-marriage
And men need women a lot more than women need men.
unmarried coupleshealth benefitscohabitateexperiencemarriage