(CNN) — Who hasn’t felt the lonely, heart-stopping sensation of jealousy? Whether it’s a sudden ache in the pit of your stomach, the buckling of your knees, a cold chill in your chest, a racing heart ...

Jealousy is an emotion; the term generally refers to the thoughts or feelings of insecurity, fear, concern, and envy over relative lack of possessions, status or something of great personal value, ...

Forbes contributors publish independent expert analyses and insights. I write about relationships, personality, and everyday psychology. Jealousy is a complex emotion that can potentially drive a ...