As far as hypnosis is concerned I had a very serious problem when I was in my twenties. I encountered a man who later became the president of the American Society of Medical Hypnosis. He couldn't hypnotize me.
I wrote the very first stories in science fiction which dealt with...
Sometime they don't let you know that they know that they don't know...
Gee I am a complete Luddite when it comes to computers I can barely log on!