DEAR AMY: In 1964, I met my wife “Laura” and her infant baby “Beth.” (Laura had gotten pregnant with a married man.) Laura and I were married, and I adopted Beth when she was 1 year old. We raised Beth as my biological daughter and never heard a word from her actual biological father. We told Beth about her adoption when she was 8. Her mother invited Beth to ask questions, but Beth didn’t want to talk about it. We had a very loving family and never had one problem. I always considered Beth to be my own child. My wife recently died from breast cancer. Beth did a DNA test after my wife died and …