DEAR ABBY: Ever since high school, our adult daughter has had mood swings. My wife and I thought she’d grow out of it as she matured, but she hasn’t. At her request we sent her to a university far away, and we were proud that she earned her bachelor’s degree. We thought independent living would do the trick, but her personality and behavior toward us didn’t change. She’s an only child, and we spoiled her — bought her cars and paid for college. I asked her to try for scholarships to help us out, but she didn’t. She married and had ...