You keep attacking her character because you can't attack the facts. And it's eating you alive. When you can't rewrite what happened you try to rewrite who she is. Because destroying her credibility is the only way you avoid owning what you did to her.
A narcissist will only “love” you as long as you make them feel good about themselves.
Start calling them out on their bullshit and watch how quickly you go from soulmate to disposable.