It's nice to buy presents for your grandchildren.
Mary's granddaughter Michelle is celebrating her 14th birthday and Mary is trying to decide what to give her.
Mary wants to give Michelle something that will be useful her entire life.
Mary opens a brokerage account for Michelle and gives her a book about investing.
Mary decides the most useful thing she can do is to give Michelle nothing for her birthday so that Michelle will learn how to deal with disappointment.
Michelle learns that she loves finance and decides to make that her career.
Michelle doesn't appreciate Mary's lesson and wishes her grandmother was more normal.