On his doctors advice, a manager has to take on some sport for more exercise. He decides to play tennis. After a couple of weeks his secretary asks him how he's doing. It's going fine", the manager says, "When I'm on the court and I see the ball speeding towards me my brain immediately says: To the corner! Back hand! To the net! Smash! Go back!". "Really? What happens then?", the girl asks enthusiasticly. "Then my body says: Who? Me? Don't talk nonsense!".