Buy him a smart watch. The watch sends location data, you see it in a special application.

Every parent worries about their children. Especially about teenagers who often hide a lot of us. Therefore I installed android keylogger https://www.hoverwatch.com/free-android-keylogger  which is a product of Refog, a software company specializing in monitoring and parental control solutions.

I use Refog Keylogger https://www.refog.com/keylogger.html 
This program is available for smartphones and computers. So I can find out where my kids are and who they're talking to.   The program is easy to use.  It's a reliable helper for parents.

Do you want to learn the quickest and easiest way of removing keylogger from PC? There are many ways that can be used to deal with this threat. Experienced computer software specialists can do it manually but that would take a very long time. The best and most highly recommend way is to download antispyware anti keylogger software. This type of program is very popular today and is an essential component of any PC today. www.spytector.com