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What does science reveal about infidelity?

What does science reveal about infidelity?

October 1, 2022

Is everything that is usually heard about infidelity true? Are men more infidels by nature? Do women who are unfaithful lie better? These are complicated questions to solve, but some scientific studies have tried to unravel some of these issues.

Science and infidelity in data

The findings of the investigations are certainly revealing. For example, a research group from the University of Florida linked narcissism with infidelity during the first stage of marital coexistence: «Sex narcissism (which could well be defined as the self-image of conquest and sexual abilities) correlates positively with infidelity », They say, having studied the case of a total of 125 marriages.


Other research studied the slip-ups in fishermen's marriages in Lake Victoria, Kenya. The end of the study was analyze the relationship between these infidelities and the spread of HIV . It was discovered that there were several factors that increased the likelihood of women having relationships beyond marriage: "The recurrence of gender violence, sexual dissatisfaction with the spouse, excessively large penises in the state of erection, and the impossibility of practice different sexual postures ».

Are there "genes of infidelity"?

Other research suggests that there may be certain genes related to infidelity , because the behavior is motivated, in part, by the genetic variations linked to the reward pathways of the brain.


A study by the University of Binghamton pointed out the presence of a high variability gene that seems to be a decisive factor in the modulation of the infidelity tendency of the person . According to the researchers, natural selection chooses one or another variant of the gene according to the advantages or disadvantages offered by one or another behavior in the way of relating to the opposite sex. However, they attest that sexuality, social behavior and genetics influence to an important degree, and that the results should be viewed with prudence and only as a further indicator on which further research should be conducted.

It seems that the frequency of fake orgasms It is closely linked to infidelity in women, and to dissatisfaction in couples, as a statistical study carried out on 140 women and 120 men warned. The authors of the research warned that "the signaling of orgasm was an element chosen by natural selection in ancestral women" in contexts where fidelity was rewarded and men collaborated in the care of offspring.


What is infidelity?

Although it may seem like an easy-to-answer question, Infidelity is not perceived in the same way by women and men . At least that conclusion came an investigation conducted by the University of Kansas, having evaluated a total of 475 people.

The study highlighted that men perceive infidelity as a sexual act, while women understand it as the consequence of an emotional desire. 90% of women considered that kissing with another person is infidelity , but only 75% of the male participants agreed with that statement. On the other hand, 51% of men considered that sending text messages raised pitch was infidelity, but the percentage rose to 68% in the opinion of women.

Where do infidelities take place?

Data provided by the contact manager Ashley Madison collected, among 170,000 users in the United States, that 68% of infidelities are carried out in the workplace .

Certain moments seem to be more likely to commit adultery. Several studies suggest that Wednesday afternoons is the time of the week when there are more adventures. Scientists from Harvard University explain that routine experiences and prolonged contact with the desired person. This routine may be undermining the moral resistance to infidelity.

Why are we unfaithful?

Many people ask this question. A statistical investigation with more than 74,000 participants discovered that 45% of unfaithful women are so because they feel a strong attraction for the other person , while 32% confess to being unfaithful to feel more wanted. In men, it seems that infidelity has a greater link with sex: 48% said they were unfaithful because they wanted to have more sex, and 46% said they wanted more variety.


Rethinking infidelity ... a talk for anyone who has ever loved | Esther Perel (October 2022).


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