Women are shaped by the culture around them, they are like water. Genetically women are more inclined for Monogamy, here is a recent study to back up my claim
In all comparative analyses, humans always fall on the borderline between obligate monogamy and polygamy. Here, we use behavioural indices (sociosexuality) and anatomical indices (prenatal testosterone exposure indexed by 2D : 4D digit ratio) from three human populations to show that this may be...
www.ncbi.nlm.nih.gov
Monogamy in humans is beneficial because it increases the chances of raising offspring, this is especially true since it takes humans 18 years to mature while most other mammals take a few months. Here is another source to explain why humans evolved to be monogamous and its benefit's
Not many species are strictly monogamous, people might be more polygamous than you would think.
www.sciencefocus.com
I personally find the monogamous model very healthy. You are emotionally invested in a relationship with one person, there's no danger someone will feel neglected because of some other relationships of their partner, there's less chance of an uneven relationship. You share 100% of your life together, you give each other all of your hearts.
Monogamy is also one of the best ways to prevent STDs, which is further proof we were not meant to be having sex with everybody
Source
Find out how a mutually monogamous relationship is generally considered to be of a lower risk for sexually transmitted diseases.
www.verywellhealth.com