A 10 year old girl asks her mom; Mommy, how was I born? "
 
The mom smiled and replied: 
 
Once upon a time daddy and I decided to plant a wonderful little seed.
Daddy put it in the earth and I took care of it every day.
After a while the seed started to grow more and more leaves, and in a few months 
it turned into a beautiful healthy plant.
So we took the plant, dried it, smoked it, and got so high that
we had sex without a condom!