Young adults in college learn some very hard life lessons, but there’s one area where the lessons are coming too late. So, if you have a college student, read on.

As a physician, I hear what goes on at college campuses and it makes my heart sink. “Hooking up” has increased in popularity—not with all students—but with a hefty share. I could see this coming because over the past few decades, our collective public view of sex has grown increasingly disengaged.

First, women decided to have all the “fun” that men had during the 70s and 80s, so they amped up their sexual aggressiveness. Then, couples living together became more popular followed by a fad of bisexual experimentation. On some campuses being bisexual actually became a sign of sophistication. Funny how throwing away rules, self restraint, or self respect becomes “sophisticated.”

Now we have young adults openly engaging in “un-engaged” sex. The idea is that each party wants sexual satisfaction but no emotional ties. (Even they know this is impossible.) The two mutually come together for the purpose of satisfying their own desires. In short, they agree to use one another. As adults, they have the right to do this.

But…