Does Cheating Actually Affect Your Divorce Settlement?

The honest answer is: it depends entirely on which state you live in, and specifically whether that state recognizes fault-based divorce.

About 30 U.S. states allow marital fault — including infidelity — to be considered in decisions around alimony and, in some cases, property division. In these states, documented evidence of an affair can meaningfully shift the financial outcome of a divorce.

In no-fault states, the reason the marriage ended generally has no bearing on how assets are divided or whether alimony is awarded. Custody decisions, in nearly every state, are evaluated separately based on the best interests of the child — infidelity alone rarely affects custody unless it directly involved neglect or exposed children to inappropriate situations.

The practical takeaway: before you invest heavily in evidence-gathering for legal purposes, a consultation with a family law attorney in your specific state will tell you exactly how much weight this evidence will carry in your case.