Agree with Awuh. The common denominator to all my resentments is me. Every last one of them comes from an unmet expectation on my part. I deserve, I need, why doesn't, etc etc ad nauseum. Resentments are rooted in ego and fear. They can be a real bitc* to get a handle on. Takes practice and patience. I still struggle with it quite a bit. What works for me most often is to remind myself that I'm not omnipotent. I'm stuck in space and time and I can't see beyond my limitations, which in and of itself makes my perceptions of most situations dubious at best.