A dad was trying to teach his 13 year old son the evils of alcohol. so he takes a glass of water and a glass of whiskey and puts a worm in each glass. The worm in the water lived while the worm in the whiskey curled up and died. The dad turns to his son and ask ” OK son noew what does that tell you?” the son replies “Well dad, it tells me if you drink alcohol, you won’t have worms”