The Infidelity Protection Nature of Romantic Jealousy: Testing Five Predictions in the Greek Cultural Context

Abstract Romantic jealousy can lead to several negative outcomes, such as tensions between intimate partners, domestic violence, and even homicide. On the other hand, it has been hypothesized that this mechanism has a protective effect against infidelity. In the current research, we aimed to examine five predictions derived from this hypothesis. Specifically, we conducted a study with a sample of N = 333 Greek-speaking participants who were in an intimate relationship. Our findings revealed that intimate partners’ jealousy was predicted by discrepancies in mate value, attitudes toward cheating, and interactions with individuals of the opposite sex. Notably, the latter effect was observed exclusively among male participants. Furthermore, we found that an intimate partner exhibiting higher romantic jealousy was associated with reduced freedom to flirt with others. This effect was both direct and indirect, mediated by an increased fear of their partner’s reactions.