Our expert says:
Gosh, what a very horrible person you are describing. I gather from your email address ( we don't work through email on this site ) that you may be living in Canada. You will need to start by seeing a good local psychologist with experience in awful families, perhaps a family therapist, so you and your fiancee can explore and discuss this problem in detail, and to examine what options there may be. As this nasty woman is probably enjoying the upset she is causing you both, managing to avoid showing this to her may be usefully frustrating to her. It sounds as though there might be quite a high degree of family pathology in this broader family that she has been able to take advantage of. It also sounds as though she has remained deeply bitter about the divorce, and has not managed to create any sort of a wholesome life for herself, preferring to be a form of parasite on him and his life.
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