I was a teen in the 70s. My girlfriend & I we’re both 16. She started dating a 30 year old man with her parents consent. My mother on the other hand disapproved of what my friend’s parents were allowing. I could no longer be friends with her. Deb married her man right after our high school graduation.
I have a friend with a son in his 20s who married a 40-something woman. Love happens, and I am happy for your friend, and my friend’s son. However, most who were looking to date a teen (17, 18, whatever) when I was a teen in 70s were looking for something besides marriage...
I pushed the envelope dating a boy in college a few times while I was a junior in high school; and when he found out he was not going to be getting the “something else,” the dating ceased...