It is bad to cheat on someone in a relationship.
William and his wife are going through a rough patch in their relationship and William is feeling unloved and underappreciated.
William wants to be in a loving relationship.
William talks to his wife about going to counseling to try to repair their relationship.
William begins an affair with a coworker that he has always gotten along well with.
William and his wife work through their problems and their marriage becomes stronger.
William's wife finds out and begins a nasty divorce process.