One day a little girl was sitting at the breakfast table with her mother.
The little girl said 'Mom how come you have grey hairs?'
'Well sweety, i have gray hairs because everytime you are bad ar do something one of my hairs turn gray,'
replied her mom.
The little girl thaught for a while and then said, 'How come Gramdmom has so manny gray hairs?'
Next Joke: An american automobile company and a japanese auto company decided to have a competitive boat race on the detroit river