DEAR ANNIE: In reading the letter from “Bewildered and Heartbroken,” about managing a relationship with a difficult daughter-in-law, my reaction was — that could be me. We have had similar experiences with a relative. It was a couple of years ago that a lightbulb experience happened that broke my heart. I immediately looked up the definition of narcissist, and it described my situation verbatim. They will be charming at first and then gradually, due to wanting power, will create situations to distance a loved one away from their friends and family. The behaviors in our case were bizarre and w…