My 12 year old daughter is a big girl for her age, she is tall and carries a bit of extra weight but has never been classed as fat, she is shy and reserved at school, however is excelling in all areas of school work, she struggles to keep friends and is always left out, she has two friends and if they are away she is on her own, she says that she does not care but I am not sure, the trouble is her behaviour at home especially with me. She insists in ignoring me and when I ask her not to she back chatts and stares at me with utter hate or as if she is not listening at all, if she is told off and sent to her room she will argue to the extent that we have a hugh row I have threatened to remove her priveledges and did this once by cancelling her horse riding lesson, for that week she made the effort but soon went back to being miserable, she always thinks I am picking on her and I let her brother get away with anything, this is not the case when I chastise him he does as is told and goes to his room etc without question or confrontation, I have explained this to her and stated that that is the way forward. Sometimes when we pick her up on the way she eats etc she just refuses to change, she seems angry and always wants things her way and will never compromise with the rest of the family then that puts in an even worse mood. I hate to think that she is always unhappy as when she laughs and has a good time she is wonderful. I have tried on many occasion to takl to her and see if there is anything wrong and why is she so unhappy and moody but she just switches off. Any suggestions or is it just a phase, Ihope someone can help as I so want her to be happy.