OW? she is not the other woman though is she?OP sorry about your Mum, it must be very difficult.Not sure what you can do, I would not tell her to fuck off as that will probably just mean your Dad is in a difficult position as referee and from what you say he is not strong minded and will probably go with her flow.It sounds very rushed, but what can you do? not much tbh, your Dad is an adult.The bit