DEAR ABBY: My sister, who is quite a bit older than me, was married to a man for more than 20 years. He was a part of my family from the time I was 3. When I was a teenager, he made a “move” on me, which was disgusting because I trusted him. My family swept it under the rug and downplays it to this day. If that wasn’t enough, I twice caught him cheating on my sister. They eventually divorced.