Pancakes
A housewife visits a doctor. She told him that she’s worried about her 5 year old son’s small penis. He said her problem is solved. “You just have to prepare every morning some pancakes for breakfast. It will help grow its size overtime”.
The next day, she did gladly prepared the breakfast as per doctor’s advise. She made 10 pancakes that morning. When her son saw the pancakes, he was screaming and was so excited to have it. “Yeheey! pancakes!”. She then stop him and said “Wait..wait… you can only have 3, the rest is for your Dad.”