how awful for you, but its quite clear that she likes to upset people,why should you leave the other girls know what shes like, you seem like a lovley caring preson, please dont let the likes of her change you, i dont know your age but as we go on in life you will unfotunatly encounter people like her put it down exprience and be glad in the fact that your not a bit like her, i know she may just be like this due to the greif she has suffered but she should have some dignity, she will end up with no friends behaving like this waste no more of your thoughts or care on her she may come to her senses and if you can see he change for the good the pick up the friendship again dont feel guilty you tried your best or her its up to her to help herself, so cheer up you, and you know what singing is the best thing you can do to make you happy again, take care, wyx