14. Average people let money stress them out. Rich people find peace of mind in wealth.
The reason wealthy people earn more wealth is that they're not afraid to admit that money can solve most problems, Siebold says.
"[The middle class] sees money as a never-ending necessary evil that must be endured as part of life. The world class sees money as the great liberator, and with enough of it, they are able to purchase financial peace of mind."