Jealousy has been described as a mix of negative emotions including anger, betrayal, and sadness. Historically, psychologists have taken a very general approach to studying jealousy and have only recently begun to scratch the surface of this powerful and, at times, dangerous emotion. Are you a jealous person? How jealous do you get? These questions, while interesting, do not address the specific function and unique design of this psychological adaptation. This book focuses on previously unexplored dimensions of jealousy by viewing it through the lens of social-evolutionary psychology. ...