Dr. Randy Larson's study demonstrates that male jealousy is provoked by the idea of a partner's sexual infidelity. And felmale jealousy, by the idea of a partner's emotional infidelity. The results may seem a novel interpretation, but Dr. Larson claims these differences have been evolving for hundreds of years.
Video: http://w...ww.youtube.com/...watch?v=cSZeGEw9q14