Infidelity Support Group
Any relationship in which one partner engages willfully in sexual relations with another outside of the partnership is considered to have experienced infidelity. This breach of trust is often traumatizing for the faithful partner as well as the relationship, and support is often needed to heal emotionally and to decide whether or not the relationship should continue after...
Horrible low self esteem and codependency along with abandonment issues are usually a big part of these types of affairs.
Cheating is a deficiency in the morals and character of a spouse to manage any perceived problems/unhappiness.
A failing marriage more often than not is a responsibility of both spouses to some degree, and often this gets confused with affairs/cheating which is unilateral.