“The Evolution of Maturity: How Changing Societal Norms Impact Sexual Activity”

A century ago, people reached sociological maturity (completed necessary formal education) in the early-mid teens before or as they reached physical maturity (ability to reproduce) in the late teens. Nowadays people are sexually mature at age 12 and it is another 10-12 years before they complete their education and are considered  in a position to form families in ways that are sociologically or financially viable (post education completion). How do the changes in age of maturity in various components of our lives lead to new ideas around sexual activity?  (Be sure to utilize information from our readings. Be sure to cite sources.
Here is the book:
https://saylordotorg.github.io/text_social-problems-continuity-and-change/s08-sexual-orientation-and-inequal.html