First of all, you need to understand that teenagers are not children who can be tamed by putting fear in their hearts. You have to be diplomatic in your approach, which will help you in handling your teenager effectively.
You should set some basic rules or standards, especially when it comes to moral values. This will help your teenager stay away from those activities that are ethically wrong.
Always keep an eye on the activities of your teenager and if he or she is doing something wrong, immediately talk to him or her. However, try to make your teenager realise his or her fault in a way that does not have any negative effect on his or her mind.
You should also observe the friends of your teenager, as that will help you in anticipating the activities of your son or daughter. However, you also need to give space to your teenager, which is essential for his or her growth.
Always be polite with your teenage son or daughter, because this phase and age tends to make people aggressive and they do not listen to anything that goes against them.
Always be nice to them and spend as much time with them as possible, which will help you stay close to them and discreetly keep an eye on what they do.
You need to appreciate your teenager whenever he or she does something positive, no matter how small it is. It will produce a positive feeling in him or her which in turn will make it easier for you to handle your teenager.
Try to create a sense of responsibility in your teenage son or daughter. For that purpose, involve him or her in small domestic tasks which will help you to handle him or her in an easy manner.
Be a good friend to your teenager daughter or son. Encourage her or him to share everything with you. This is the most effective way to handle your teenager.