Not once have I ever heard anyone joking about acquiring a firearm to police a boy's sexuality.
But there's a massive difference between having a theoretical chat about and actually giving them your blessing to do it, especially if they're still quite young.
It's no secret that sex is a big deal for teenagers.
You need to establish a relationship with your kid where they feel comfortable asking for your help in making important decisions; especially ones that can change the course of their life.
One mum found middle ground when her year-old son wanted his girlfriend to stay for the weekend.
You need to hear what they are thinking.