Jealousy is a secondary emotion and typically refers to the negative thoughts and feelings of insecurity, fear, and anxiety over an anticipated loss of something that the person values, particularly in reference to a human connection. Jealousy often consists of a combination of presenting emotions such as anger, sadness, resentment and disgust. It is not to be confused with envy. (wiki.com)
Jealousy is like a tick that destroys the body of an animal. It is the usual cause of separation of couples.
What do you think are the causes of Jealousy and how can we prevent it?