What is jealousy

Jealousy is an emotion that fascinates me,especially since I feel it so rarely. I've seen people get cut themselves off from their friends, and even family, just to be in a relationship. I once saw a couple, who had been friends for years, get married and divorced within six months, because of they expected a degree of exclusivity they did not get and jealousy resulted. Having witness these incidents, I decided that jealousy was not a worthwhile emotion, and have avoided it.What is jealousy really?The definition of jealousy is: “anger expressed due to a feeling of inadequacy”.
What can you do about jealousy? Understanding that jealousy is ...