It's funny sometimes when people ask you what they should do with their lives, and they act surprised when the answer to that question is "what do you love to do"?
You can't always create a vocation out of your favorite pursuit, but it really doesn't hurt to look at the possibility seriously.
Yes, there are people who make a living play-testing video games. And folks who earn a paycheck while training dolphins and killer whales. Drawing or painting, or designing a web page can be a for-profit project. Making movies, writing books, racing cars, playing sports all are someone's job.
If you could do what you love and get paid for it, what would you be doing? And if you aren't doing it, why not?