Some of them probably are, like Paul Tudor Jones, the 11th highest earner last year. He's been consistently one of the top earners for almost 30 years and has done lots of charity work.
They may have huge satisfaction but I doubt any of them are carefree, at least not until they retire or stop handling such big amount of money and responsibility.
One thing is for sure: none of them are young. Money can't buy you youth.
Enjoy your life and work and be happy while you're young.
Unfortunately many young people don't fully understand and appreciate the fact that they are young.