DEAR ABBY: My younger brother, “Paul,” is 40 and in a rut. He became friends with a friend of mine, “Mitch,” whom I met in college. Paul also became good friends with Mitch’s wife, “Iris.” After a yea...

DEAR ABBY: Twenty years ago, I developed psychosis with a personality change. I did things I’m ashamed of. I had an affair, remarried and moved out of the country, leaving my 13-year-old daughter with...