I was wondering if there's a way to avoid all this because it seems like if she can do it once she'll probably do it again. One of my best friends sister is quite sick too. I am amazed how different they are in characters even when they were exposed to similar environments growing up, and yet I find her so rude, mean and extremely selfish. And her sister, my friend, is quite the opposite.
It's almost never the gene (which mostly makes the protein btw) and it's almost never the environment, but something far beyond - something that is still not within our knowledge. You just have to wonder why some people haven't evolved as much as others and as the bigger questions. But I am also aware of people who looked and acted perfectly normal and yet, they were found as the worst killers in human history. They simply acted to have the archetype values like love, truth, justice, empathy, beauty, innocence etc. but in truth, they had none of these qualities. What they had instead was absolutely and utterly quite the opposite. These are even bigger mysteries out there.
For example, I was watching a documentary on Dennis Rader, otherwise known as the BTK killer (bound, torture and kill, he used this as his signature), and I found out as usual growing up he used to torture animals before killing them (this had led me to ask question to children, 'do you love animals' because I believe it's fundamental in identifying a disturbing character and take necessary actions from early on if possible). And he continued to do that once he grew up but this time, he went one step further and made human beings his main target.
Now if you read his bio on wiki, you will see this, "Rader was a member of Christ Lutheran Church and had been elected president of the Congregation Council. He was also a Cub Scout leader. On July 26, 2005, after Rader's arrest, Sedgwick County District Judge Eric Yost waived the usual 60-day waiting period and granted an immediate divorce for his wife, agreeing that her mental health was in danger. Rader did not contest the divorce, and the 34-year marriage was ended. Paula Rader said in her divorce petition that her mental and physical condition has been adversely affected by the marriage."
What I found amusing is that, despite killing at least 10 people he had a 34 year long marriage and his wife only mentioned how much she was affected by the marriage after Rader got caught. Surely she should have noticed some of the disturbing behaviour much before? Perhaps she was in denial.
But anyway, what really amuses me is that, there are some people like Rader among us (perhaps not all are so extreme but disturbing enough to cause endless trouble) and we do notice them but unfortunately not to the point it should be noted. Even online you will come off repeated offenders otherwise known as posters, but there's something very disturbing about them if you pay attention.