I am not sure that is true. Dick Van Dyke was an alcoholic and his wife became one with him as she took up drinking to be able to spend time with him.
From her book, “Growing Up Again,”
Moore also has been public about her alcoholism. She says she hasn’t had a drink since 1984. Her mother was an alcoholic and her father an emotionally distant man whose approval she never felt she achieved. She has been divorced twice. The original “cougar,” she has been married to her third husband, Dr. Robert Levine, for 25 years. He is 18 years her junior. In 1980, her only child—Richard Meeker Jr., from her first marriage—died at 24 from an accidental, self-inflicted gunshot wound.