DEAR ANNIE: I’m a 45-year-old woman, and my boyfriend is 36. His family loves me, except for his dad. I don’t know what I have done for him to dislike me. I should say that at one point, in the past, he used to like me. When my boyfriend’s mom was diagnosed with cancer, I was there each time she was in the hospital. My boyfriend and I would take turns with his dad staying at the hospital overnight so she was never alone. When she was sent home from hospice, I quit working and spent a month at their home taking care of her, including cooking and cleaning. I would help give her medicine, and whe…