The evolution of sexual jealousy

Rap artist and playwright On the Origin of Cuckolds Confronted with the hyper-vigilant and often violent jealousy of generations of men protecting their genetic legacy, evolution predicts a psychological arms race between the sexes, producing ever more keen-eyed and suspicious men and ever more creatively deceptive women. Chaucer relishes the details of the wedding night, the physical discrepancy between wrinkled old January:

The evolution of sexual jealousy

Click to get the complete picture. These feelings can be destructive and difficult, although fortunately they can be overcome with some effort. Do you have any insights into jealousy from a Darwinian perspective? Chimpanzee wearing spectacles Photograph: Public Domain Carole replies: Jealousy is seen in all human societies, 1 and field studies of wild primates have shown that sexual jealousy is not peculiar to humans.

Because sexual jealousy is universal, human societies have established baselines of behavioural jealousy that are widely tolerated and accepted as "natural". In Texas, up untilif a man found his wife in bed with her lover it was considered "reasonable" for him to shoot them both dead.

However, a turn of the screw beyond this socially accepted level of sexual jealousy we start to see behaviour that teeters on the edge of obsession. Any intensification from this point onwards and the jealousy can be considered pathological.

A further increase in intensity and the jealousy becomes delusional, where the jealous partner is convinced their accusations of infidelity are correct.

This is sometimes referred to as Othello syndrome. The delusional behaviour may continue for years and is a likely manifestation of obsessive-compulsive disorder OCD.

No amount of reassurance, pleading or begging will placate the paranoid delusional spouse. Sexual jealousy is the most common motive for a man killing his sexual partner. It appears to be behind the attempted murder of Samantha Stobbart and the murder of her partner. At the time of writing the suspected gunman and former boyfriend of Stobbart, Raoul Moat, is still at large.

The evolution of sexual jealousy

It has been theorised that a mate-killing module has evolved in the brain to control females and restore the social status of the cuckolded male. Female langur monkeys live in fear of new males taking control of the troop by force and killing their babies. In modern human society, however, it is clear that much of this evolved behaviour is counterproductive.

Would a rational male deliberately physically and psychologically damage his spouse and the mother of his children? The future success of the next generation hangs in the balance when a jealous, patriarchal male uses aggression to control the females in his life.

Most people would find the idea of a man increasing his reproductive fitness at the expense of the happiness of his spouse and an infant abhorrent. A woman sexually coerced and harassed by a jealous partner will not make a good mother, so a jealous male only harms himself when he harms his family.

You say that with effort you overcame your destructive, obsessive jealousy. May this give hope to others who struggle to rise above their ancient, hard-wired sexual obsession.Men’s sexual jealousy is an evolved emotional response to a real or perceived threat of a partner’s sexual infidelity.

Green eyes

It is a functionally flexible response that serves to motivate men to engage in mate-guarding behavior designed to deter intrasexual rivals and to maintain valued relationships.

Sexual jealousy is a special form of jealousy in sexual relationships, However, Western culture now is mainly monogamous which is very different to the environment in which the majority of evolution thus far has occurred.

Jun 17,  · Since the cost of sexual infidelity is far worse, genetically, for males than females, Pinker continues, "a man's jealousy has been found to be more implacable, violent, and tilted toward sexual. The theory of evolved sex differences in jealousy predicts sex differences in responses to sexual infidelities and emotional infidelities. Critics have argued that such differences are absent in studies that use continuous measures to assess responses to hypothetical infidelities or. If morbid jealousy is a manifestation of OCD. both men and women focused more on the emotional aspects of a mate’s actual affair than on the sexual aspects. both men and women reported that they focused significantly more on the emotional aspects of a mate’s actual affair than on the sexual aspects.

Therefore, evolutionarily it is likely that different past cultures also showed differences in sexual jealousy. If morbid jealousy is a manifestation of OCD. both men and women focused more on the emotional aspects of a mate’s actual affair than on the sexual aspects.

both men and women reported that they focused significantly more on the emotional aspects of a mate’s actual affair than on the sexual aspects.

Finding the right partner

Sexual jealousy is the most common motive for a man killing his sexual partner. It appears to be behind the attempted murder of Samantha Stobbart and the .

The Evolution of Jealousy Did men and women, facing different selective pressures, evolve different “brands” of jealousy?

SEX DIFFERENCES IN JEALOUSY: Evolution, Physiology, and Psychology David M. Buss, Randy J. Larsen, Drew Westen, and Jennifer Semmelroth Jealousy is 'sexual' if the valued relationship is sexual" (Daly et al., , p. Sex Differences in Jealousy: Evolution, Physiology, and Psychology. If morbid jealousy is a manifestation of OCD. both men and women focused more on the emotional aspects of a mate’s actual affair than on the sexual aspects. both men and women reported that they focused significantly more on the emotional aspects of a mate’s actual affair than on the sexual aspects. jealousy; reliance on it is particularly troublesome since DeSteno, Bartlett, Braverman, and Salovey () have argued that the JSIM result is an artifact of the forced-.

Recent evidence suggests not makes men innately predisposed to jealousy over a mate’s sexual infidelity. It makes women innately predisposed to jealousy over a mate’s emotional infidelity.

Sexual similarities include the following. Jealousy (i) is an emotion designed to alert an individual to threats to a valued relationship, (ii) is activated by the presence of interested and more desirable intrasexual rivals, and (iii) functions, in part, as a motivational mechanism with behavioral output designed to deter ‘the dual specters.

Evolutionary Psychology and the Emotions