If I had a successful string of shows and made big bucks by traveling the world sampling food and talking freely about my past...yeah, I'd give it a go at jujitsu and let my butt get kicked and thrown around. And I surely wouldn't give a damn either if I was paid buku bucks to travel and explore and live his life!
Anecdotal stories of a few successes
in spite of their irresponsibility are one thing (see countless examples of sports stars who piss away all of their earnings in a few years time). Realizing that you can't live life like that is another. What would he be doing/what would he have done if he didn't make it big in broadcasting? Just be like one of the faceless millions that live life for the moment.