For both men and women, economic dependency is associated with a higher likelihood of engaging in infidelity; but, the influence of dependency on men’s infidelity is greater than the influence of dependency on women’s infidelity.

Makes you wonder how many female breadwinner marriages ended due to male infidelity.

https://www.asanet.org/wp-content/uploads/savvy/journals/CS/Jun15ASRFeature.pdf

Graph of Infidelity Probability by Relative Income