Quirky mind stuff from psychologist, author and magician Richard Wiseman. If you are into psychology, illusions, bets you always win, magic, and the impossible, this is the place to be.
"He predicted my steps, but not where they were headed" (с) My finger was not on the happy face Edit: HOLD ON HE DON'T EVEN PREDICTED ALL MY STEPS WHAT
People, the solution is easy: always count an odd number, so you will never be able to end up in a square that can be reached only by counting an even number, I don't know if I explain myself but I hope you understand :D