DEAR ABBY: My brother-in-law passed away six months ago, and my mother-in-law, “Grace,” is understandably grief-stricken. My husband and son have been very supportive of her. My father-in-law passed away nine years ago. I have tried to be supportive as well, but Grace and I have always had a contentious relationship, and she really wants nothing to do with me. The problem is, my husband and son have all but disowned me. They spend an enormous amount of time comforting and consoling her to the point that there’s no affection or time left for me. I have tried talking to them ...