When he or she does, you’ll have to step up to the plate with some parenting skills.
A teen does not learn how to date in the classroom and most likely has only picked up on some of the basics, like respecting someone’s personal space, at home.
If you overhear your teen saying mean comments or using manipulative tactics, speak up.
Similarly, if your teen is on the receiving end of unhealthy behavior, it's important to help out.
Of course, those rules don't necessarily apply if you have valid safety concerns.