NSFW - Video with lots of bad words and brief sexual jokes.
If you have a headache and you take a pill that you think is an aspirin then your headache will most likely go away even if the pill was fake. The power of a placebo is incredibly strong. If you believe in hypnotism, then it is real. If you do not believe then it is not real. I guess that is just another way of saying "some people are open to suggestion" and some are not.