You need to understand it’s not about what you can do, it’s not something you can do, it’s just the way she is, because you said she was like this in the past, so it’s not really about what you can do. All you can do is talk to her kindly and understand her points of view…I think that if you really care about someone you would try to resolve the issues in your relatiomship by talking honestly and saying kindly everything that is on your mind.