Little Johnny figures out where babies come from.

Little Johnny is 3 years old and always sucking his thumb and his mom always said to him ” Johnny stop sucking your thumb or you’ll get fat.

One day there on the bus going shopping and a pregnant lady [about 8 months] gets on and sits opposite Little Johnny and his mother.

Little Johnny couldn’t stop staring at the pregnant lady who after a while said to Little Johnny ” Why do you keep staring at me is there something wrong with my dress or something.”

Little Johnny shouted at the top of his voice, “No! But by Jesus Christ I know what you been doing……………………