One day a man walked into a barbershop wearing headphones. ”Give me a trim,” he said to the barber, “but don’t take off my headphones off or I’ll die.”

As the barber began to cut the man’s hair, he realized the headphones were in the way and took them off. A few moments later, the man slumped to the floor dead.

Picking up the headphones, the barber put them to his ear and heard a voice saying, “Breathe in, breathe out, breathe in, breathe out...”