Over seven years my dad has been in a cycle of living with, breaking up with, and complaining about the same woman. When they break up she harasses him, calling, messaging and turning up. She once even broke into the house through the window. He’s vulnerable as he lost his career about 15 years ago and had to get a low paid, monotonous job and move in with his dad. He became an alcoholic and doesn’t have any friends. His girlfriend refuses to pay her way despite his money troubles. She doesn’t work but has money from selling a second home. She removed the lightbulb from the living room so it wouldn’t wake her when my grandad, who only has one leg and is very fragile, gets up at 7 in the morning – meaning my grandad was fumbling around in the dark having just got up. Another time she accused my grandad of making a romantic move on her. She stole my dad’s false tooth when they broke up once. When they’re out, she walks very slowly so she can control how fast they both go. All this I know because my dad has ranted about it during their various break ups. I absolutely hate this woman because of what he’s told me. My dad’s not an unattractive man – he’s had lots of girlfriends (many of whom I’ve really liked) but never been able to maintain a relationship. I think the only reason this has lasted is because she harasses him until he buckles and they get back together. We had a conversation at the weekend and he said he was never going back to her, then last night he posted a selfie of the two of them, back together. I’m so disappointed but it’s happened a million times before. Is it too much to ignore him? I know I’m one of the few positive things in his life but he causes me a lot of pain with the stupid decisions he makes. I’m also about to have my first child, his first grandchild, which he’s really excited about. I’m living abroad at the moment but moving back when I’m 7 months pregnant. I definitely don’t want to ever be in the same room as her but I don’t want her to become all he’s got as I think this is what she wants.