Why are people jealous in relationships?

People often throw around the term "inferiority complex," which is not a clinical term, but refers to an underlying impoverished ego or low self-esteem—a jealous man who feels insecure in his romantic relationships, for example, does not feel confident that he is good and valuable enough to keep another person interested in him over time. read more

The answers so far appear to be conflating envy 9wanting what someone else has) with jealousy (fear of losing what you have or what you think you're entitled to have). read more

Yet, shame from our past can heavily influence the degree to which we feel jealous and insecure in the present. In a serious relationship, real hurt from rejection or betrayal can trigger old feelings that there is something basically wrong with us. In the same way, this inner critic turns on us, it also turns on those closest to us. read more