Is this behaviour normal?

My ex, who I think has bpd or at the very least bpd traits, called me out of nowhere two and a half months ago. She needed to know "why she is not enough for me?" I can't understand how she can ask me that crap after her breaking up with me for the second time in 6 months. Moreover, she claimed that I feel terribly attracted to another girl at my uni, even though I've never talked to that girl. This is insanity. I was always the one trying to make things work. I was always willing to spend one more minute with her, making her feel heard and understood, but in the end she doesn't feel heard becausw I gently told her that I thoughy some of her reactions wheere not ok and were not normal, that I thought she should consider going to therapy. She says I "disrespected" her by saying that. In my mind thay was the only way out (there were more episodes like the one I've just told). I gave everything I could, and them some... and this is what I get? I makes no sense to me. I don't know who I am anymore. Does this sound familiar to you? I'd be happy to hear you