DEAR ABBY: I’m 54. My 28-year-old daughter, Sarah, lives with me. Our issue is MY sex life. I have a long-term live-in boyfriend, and we enjoy each other in many ways. We try to be quiet while we’re enjoying each other physically, but evidently we are not quiet enough. Sarah complains whenever we make any kind of noise that she even suspects might be sexual in nature. She has accused me of having sex when we were only talking. It might seem reasonable to have sex only when Sarah isn’t home, but she’s home very often at night. Due to ...