In all honestly, you shouldn't be medling in other people's relationships even if it is as a friend. This is something she has to do for herself and you don't ahve any control over it what so ever. I don't know if you really just like this girl as a friend or you want more from her but I'd back way off because as it looks, she is doing that to you. Not to mention you ahave no control over anything and you getting upset and saying things about her boyfriend no matter how she feels about him....is wrong!

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If you can't handle the thorns, don't crave the rose!!