I'm in the situation where I actually LOVE where I work. I'm paid fairly, work with great people, and get to attack all sorts of challenges. If the day comes when I want to do something else, you're 100% right.
But (and I'll defend this over drinks at SuiteWorld) I actually like going to work at the office each day. And no, I'm not insane. A small majority of the panel stated so. 😉