1. If walking/cycling is good for your health, the postman would be immortal.
2. A whale swims all day, only eats fish, drinks water, and is fat.
3. A rabbit runs and hops and only lives 15 years.
4. A tortoise doesn't run and does nothing, yet it lives for 450 years.
And you tell me to exercise??
Bumper sticker seen on a car doing 45mph with the left blinker on: I'm retired. Go around me!