For people that often experience jealousy in relationships, there is help available. A jealous person may suffer from self-esteem issues that have long been present. Building up their confidence is one of the best ways to help them get past this issue. Once a jealous person knows their true worth, they will begin to function differently. This is especially true where forming relationships are concerned. People that have high self-esteem know they are worthy of dating a good person and have no reason to feel jealous.
There are people that have suffered greatly in past relationships. Often they have been in a bad relationship with a person that was abusive in some way. While it may seem different on the surface, many of these relationship problems have caused self-esteem issues. A person may need professional assistance to help them sort through their feelings and become more emotionally stable. It takes time and effort to do this, but it will make future relationships successful.