Post hoc ergo propter hoc. "Rich people tend to be happier, more carefree and donate more money. Therefore they are rich because of those characteristics." Con

Post hoc ergo propter hoc. "Rich people tend to be happier, more carefree and donate more money. Therefore they are rich because of those characteristics." Consider that people are mostly not in charge of how "successful" they become (I'm assuming this is more financial success than self actualized success), and are trying their best to react to whatever hand life dealt them. You said it: you are generalizing based solely on your own experience.