Abby: Aging longtime friend can be more than a handful

A close-knit group of lifelong friends has dwindled to three members over several decades. One individual, Marie, has become increasingly prickly in her behavior. Despite her request for the others to love her regardless of her attitude, the remaining friends find themselves spending significantly less time around her. The group continues to love Marie, but her changing personality has created a difficult dynamic for those attempting to maintain their long-term connection.