A small strategy common to the eight Billionaire who succeeded from a poor person by Ishan @ seefromthesky According to Forbes' publicly released " The World's Billionaires 2018 ", there are 2208 people called "billionaires" with net worth over 1 billion dollars (around 110 billion yen) all over the world. Even those who have earned so much money often do not satisfy the current situation and continue to devote themselves to work for more money. Professor Michael Norton of the Harvard Business School, who is studying the relationship between happiness and wealth, analyzes the psychology of the billionaire as to why you can not be satisfied with the current situation, but why you have a lot of money I will. Why Are not Rich People Happy With the Money They Have? - The Atlantic https://www.theatlantic.com/family/archive/2018/12/rich-people-happy-money/577231/ According to the Norton professor, human beings when determining whether or not satisfied with s...