"Sexual jealousy" refers to a feeling of insecurity or fear that someone experiences when they suspect their partner is being sexually attracted to or involved with someone else. Full definition
Thus, while it is expected that both men and women experience sexual jealousy, men may exhibit particularly heightened responses compared with women. (sciencedaily.com)
(Even Taking Sides inserts the scourge of sexual jealousy in a subplot involving Maj. Arnold and Lt. Wells.) (filmfreakcentral.net)
A Bigger Splash is a remake of the 1969 film La Piscine, which starred Alain Delon, Romy Schneider, Jane Birkin and Maurice Ronet, a four - way study of sexual jealousy and intrigue. (theguardian.com)