idontknow...
Reading your story reminded me a LOT of my second marriage. I was married to a woman eight years younger than I that I was so smitten with. She was feminine, very loving, funny and sensual...I was head over heels for her.
After we married things began unraveling very, very quickly. Like the woman you were in a relationship with she became manipulative, controlling and had sudden outburst of extreme irrational anger. She loved to create "major drama" when there was no need for it. She left me twice without saying a word (came home to find all her things moved out), she issued an order of protection against me for no reason, sent the police to my ex wife's home regarding an innocent letter my son had sent to her, etc., etc., etc. It was a living hell. After much research I had decided that she had borderline personality disorder. Admittedly I am not a mental health professional, but she fit the description of a borderline to a tee. And, the therapist I saw after the nightmare agreed with this given everything I told her. The weirdest thing is that her casual friends and acquaintances thought she was the sweetest woman going. Yet, she was also the meanest most vile person you would ever want to meet. She would constantly talk about "respect" and "honorability" both never demonstrate either. She constantly had to talk about how "nice" she was (my therapist told me that people that have to go out of their way to say how nice they are probably are not).
It sounds like the woman you were in a relationship with could be borderline as well. Behaviors that fit with borderlines include: 1) always looking for something that is wrong rather than focusing on was is right, 2) sudden aggressive and violent behavior, 3) excessive interest in sex, 4) risky behavior - like the sexual excursions she went on, or driving at 85 mph....
Again, she may very well not be borderline that diagnosis can only be confirmed by having her evaluated by a mental health professional. But there are enough symptoms there that she should seek out treatment immediately. And, my suggestion to you is to keep your distance from her until she gets some help. If she is borderline, a borderline can entrap you in their web of deception and drama and ruin your life. That is what happened to me.
It is time for you to take a step back and focus on yourself right now!! Get help immediately if you have not already done so. The fallout from being with a borderline can devastate you.