It's hard to really assess a situation when posting only allows me a small view into what is really going on, but I did have something I wanted to suggest to you. I was wondering if this is really about jealously at all. I think there may be some unresolved feelings and resentment about your father that you are projecting onto the relationship you are in. I don't want to offend you, but what makes you so sure she has her eye on your man? And even if she does, so what. If your guy is awesome and great and you are attracted to him than I think its a huge compliment that others share your good taste. I think the biggest threat to your boyfriend leaving you is more about how you react to the situation than how pretty or well dressed some other girl is. There will always be someone prettier or better dressed or richer than you. That's just how life is. I don't know if I am of any help on this, but I hope you can work through this
