The key to happiness

Why are many rich people unhappy?Why are some poor people happy despite money being the center of this system? It is a mystery that most people who want to get rich overlook. And yet, the answer is simple, it resides in the mindset. The people with the most wealth always want more and even when they are satisfied, they realize that money can't buy happiness because happiness is a mindset. The thing is that when one can have everything that one wish, that person will obviously expect to be happy and satisfied. However, human's main strenght is adaptation and after a bit of time with money…