The social changes of the 1960s and 1970s caused a cultural revolution that found many women pursuing careers outside the home.
In recent years, more men have expressed a desire to take on the role of primary caregiver to the children. Men have had to struggle with what masculinity means to them if they're not the sole breadwinner.
Many have been using online dating a long, long time and have yet to settle down.
In his new book, Love in the Time of Algorithms: What Technology Does to Meeting and Mating, writer Dan Slater argues that online dating has changed society profoundly. Y., newlywed, tells USA TODAY's Sharon Jayson just how and why.
Q: What is it about online dating today that you believe has made such a big difference? Everyone has access to so many more people than they were accustomed to in the past.
If they did work, it was as a secretary, a nurse or another stereotypically female profession. The men went to war, and the women went to the factories and offices.
Though the women returned to their homes after the war, they didn't remain there for long.
It was a combination of the anecdotal and statistical.