No pain no gain .

This is another lie about exercise.

“While jogging became popular for preventing heart disease, we were frequently told by experts how many miles a person has to run to burn off a pound of fat. However, in Russia, physiologists always remember to include the brain in their calculations, and it turns out that a walk through interesting and pleasant surroundings consumes more energy than does harder but more boring exercise. An active brain consumes a tremendous amount of fuel.”

Ray Peat