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also demonstrated the link between mate retention, jealousy and violence. They surveyed 461 men and 560 women who were all in committed heterosexual relationships. The men answered questions about their use of mate retention techniques, and the women were asked about their partners’ use of mate retention techniques and how violent their male partners were. There was a positive correlation found between men who used mate retention techniques of direct guarding and negative inducements and their use of violence. Men also tended to use emotional manipulation as a mate retention technique. The women’s results confirmed this as there was also a positive correlation between those that had jealous partners and being the victims of violence.

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found support for the link between sexual jealousy, mate retention and violence. In a questionnaire, women who indicated that their partners were jealous and did not like them talking to other men were twice as likely to have experienced violence from their partners (72% of these needing medical attention).

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Buss (1988) argues that males have developed strategies for mate retention. These include direct guarding (restricting her movements) of the female and negative inducements to prevent her straying (financial control, threat of violence if they are unfaithful or even so much as look at another man, etc).

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Buss (1988) argues that males have developed strategies for mate retention. These include direct guarding (restricting her movements) of the female and negative inducements to prevent her straying (financial control, threat of violence if they are unfaithful or even so much as look at another man, etc).

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If a man’s partner is unfaithful and has a relationship with another man, he runs the risk of cuckoldry (that he may unwittingly invest resources in rearing children that are not his own). Male sexual jealousy may therefore have evolved to prevent infidelity by women and reduce the risk of cuckoldry.

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If a man’s partner is unfaithful and has a relationship with another man, he runs the risk of cuckoldry (that he may unwittingly invest resources in rearing children that are not his own). Male sexual jealousy may therefore have evolved to prevent infidelity by women and reduce the risk of cuckoldry.

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men have evolved different strategies to deter their partners from committing adultery, ranging from vigilance (watching their every move – e.g. asking who they talk to on the phone, stopping them going out with friends, reading texts etc) to violence. All of these are the result of male jealousy and paternal uncertainty (being unable to be certain he is the father of her children).

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In many countries it is seen as acceptable to murder an adulterous wife or her lover, e.g. among the Nuer people of East Africa, a man who commits adultery is likely to be killed by his lover’s husband, and only 35 years ago in the USA a man who killed his wife’s lover while in the act would have a legal excuse for murder and be unpunished.

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A man can never be certain that he is the father of his wife’s children unless he prevents her having relationships with other men. This can explain why male sexual jealousy is often cited as a cause of domestic violence.

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A man can never be certain that he is the father of his wife’s children unless he prevents her having relationships with other men. This can explain why male sexual jealousy is often cited as a cause of domestic violence.