Resentment is an addiction. I talked with a couple today who have a loving and authentic marriage. Except when it comes to her ex, father of their 2 kids, with whom they share custody. Let’s call him Bob. Their relationship with Bob is mutually hostile. His behavior around his time with the kids sounds demanding and manipulative. They resent it. A lot. All the time. Every interaction with Bob fuels their resentment. They asked me for help with their “obsessive thinking” …