I have BPD and so did my ex partner. I went in believing I was special and her FP and she was my FP but quickly learned that was a lie. Without going into detail the relationship inevitably turned toxic due to lack of trust because she lied the entire time to me. She even apologized for cheating on me multiple times. I have BPD as well and reacted badly, I went manic and couldn't control myself at times. But we had some incredibly beautiful times and she's said I am truly the person who knows her best. There was love there at times. We broke up recently then we try to remain friends but still sexually active and I find out again she was lying. I had enough and just said Im going to tell this person the truth or you can, and that made her cut me off rather then facing the truth. Now im cut off completely for saying I will expose what she was doing. Do any of you have any explanation on why she would go so completely 360 and instead of just owning up to what truly happened she rather cut me off. Im struggling now without my FP and sometimes seeing what she says and knowing its a lie throws me into a manic state. I know i need to stay away from her now but everything was fine until I didnt want to keep us a secret anymore. Why is this? She thinks I just want to hurt her but if she loves me , him whoever then why not be honest. Are some people with BPD incapable of being honest? Im sorry if this isnt well put together but I am dealing with the hurt and trying to seek answers she wont give me. Love all of you and hope you dont suffer today. 