DEAR ABBY: My husband of 30-plus years cheated on me several years ago with one of his young private students. In our state, she would have been underage, but she was living in an adjacent state with different laws. I had just finished six months of nursing his mom to heaven. She had Alzheimer’s, and he did very little to help.
We had one of the few fights in our marriage about his affair, but noth…