“…Despite consistently strong personal and social sanctions against infidelity, infidelity is not uncommon in Western societies. Approximately half of individuals report having engaged in infidelity at some point over their lifetimes, and approximately one fifth of individuals report sexual infidelity in their current romantic relationships (Mark, Janssen, & Milhausen, ; Thompson & O'Sullivan, ). A substantial body of research examining predictors of infidelity in terms of personality traits and relationship characteristics makes clear that most individuals and relationships are susceptible (Drigotas, Safstrom, & Gentilia, ; Hackathorn, Mattingly, Clark, & Mattingly, ; Mark et al, ; Weaver, ).…”