Is the past simply that you have had other relationships, or is the something more to your past?
pwBPD fear abandonment, real or imagined. Having trouble controlling their emotions, this fear can consume their thoughts. Take a look to the right of the board to start. I know it's a lot of info to digest. You would do well to take it in pieces. The communication tools to reduce conflict are in Lesson 3. These might help to start:
What Does it Take to Be in a Relationship How It Feels To Have BPDThe second link can give you some insight into how she might feel.
A word of caution: I wouldn't tell her about this site. This is for you, and we will be here to support you in any way which we can.
Other than what appears to be, perhaps, jealousy (at least that's my take on it, tell us if you see it differently), what else are you struggling with?
Turkish