Evolutionary psychology suggests that men and women value different characteristics in a mate. Wade and Fowler (2006) attempted to test this model to see how the features of the partner in infidelity affected the level of upset in men and women. Their results suggest that only women may rate the competitor in their mate's terms. While ( Read more... )

Christine R. Harris discusses a popular theory of sexual jealousy in her 2003 review; it is widely believed that jealousy was an evolutionary strategy, where sexual jealousy addresses cuckoldry and emotional jealousy is meant to prevent resource loss. Therefore, it is thought that men demonstrate more sexual jealousy than women, and women more ( Read more... )