Do you equate being rich with being happy?

John, a homeless guy, walked into a fancy restaurant. The staff, of course, tried to get rid of him. But he slapped 500$ on the table and said that he’d pay for every other customer’s dinner. While John was giving his “speech”, the manager looked into his bag and saw thousands of dollars inside.

After that, everyone’s behavior towards the “disgusting hobo” changed. But how did John get this money?