Spousal fidelity is a very important personal and cultural value. In communities where husbands are more faithful to their wives, children and marriage vows, you also will find a host of other positively consequential values.
As Professor Brad Wilcox explains in his latest book, Get Married, infidelity “exacts a serious toll on marital quality,” adding it is “because, regardless of the state of the marriage prior to the adultery, breaking the fidelity norm ushers in thoughts and feelings of betrayal, distrust and anger—not to mention worries about abandonment.”