Jealousy can be defined as ‘ a fear and rage reaction fitted to protect, maintain, and prolong the intimate association of love’ (Davis 1948, cited in Buunk et al 1996) Sexual jealousy has frequently been observed as a powerfully strong emotion, however, research on this topic has been limited as most emotion researchers consider jealousy as a combination of the more basic, central primary emotions. Evolutionary psychology is seen to be a popular perspective from which to understand jealousy. to This perspective postulates that the origins of jealousy are ascribed to the evolutionary history of humans (Buss 1991, 1995).