If you hit it big, you no longer need to grind away 20-40 hours/week. You can play when you want and where you want.
Want to play for a week in Aruba? Want to snorkel in Aruba? There you go. You've got the cash and you will probably have a great time doing both.
Drop $10K in one session. Man that could take weeks/months to recover, but now hey, it's not so bad.
Card rooms have plenty of retirees (rocks and rec players) who, by keeping their day job, are now living this life. If you hit it big and can keep your ego in check, you could too. Unlike the retirees though, you'll be out on the waverunner with the babes in tow.