Idiocracy has come true 500 years too soon.
Ladies and Gentlemen, I present to you the future of television, today. A kick to the nuts, over and over again.
Ladies and Gentlemen, I present to you the future of television, today. A kick to the nuts, over and over again.

More seriously though, there are many martial arts/qigong masters who claim they can't be hurt by kicks to the balls, and I've seen other demonstrations of this. Maybe they work on a similar principle, and can no longer receive the pain signals.