Story is my daughter has been on and off arguing with a group of her friends for the last few months they fight make up fight make up etc Etc but there is one girl who will not make up with her my daughter has tried several times to be friends but she's not interested which would be fine but her mother is now going on Facebook and slating my daughter calling her a bully telling her she will end up working at mcdonalds etc she is a 40 year old women and my daughter is 13 I do not want to get into a Facebook row with her as I'm not a child so what should I do? my daughter is distraught as she thinks this is all anyone will talk about at school she's very very academic and is just starting her gcses I do not want this effecting her