India, Nov. 4 -- Sexual jealousy in men is not simply a matter of gender but depends on a unique mix of psychological traits and attraction patterns, according to a latest study.

The research, published in Archives of Sexual Behavior, involved 4,465 people from Norway and the United States. It shows that men who feel the most upset by a partner's sexual infidelity share four key psychological traits linked to masculinity and a strong attraction towards women.

Researchers from the Norwegian University of Science and Technology and Kansas State University discovered that sexual jealousy rises mainly among men who are very strongly attracted to women and score high on four masculine traits. These traits include childhood play behavior, thi...