You'll notice the complete lack of surprise here.
I know the article makes that pretty clear, but the blog is a textbook quality case study - detailed, almost manifesto like writings that go on and on and on... multiple posts in the same day that bounce from love to hate and back again - you can almost track her manic swings. I was nearly a psych major - I find this kind of stuff fascinating, and her using the Internet puts it out there for just anyone to read...
I really think this guy is seriously lucky that she only used the five foot sword (that he gave her for a gift!!) on his windows and not his head. Had she not been arrested, this coulld easily have had a very different ending.