The Simpsons can go anywhere in the world and not worry about any budgetary issues. However, even when the show has had its run, I think the characters can go on in perpetuity.
How do you top 'Mormon?' I get sent scripts all the time and I don't know what I would do next. What do you do after that? So I think if you do see me onstage, you'll see me in something dramatic, maybe, or you'll see me try my hand at something else. Perhaps fail, terribly, but try.
Middle age occurs when you are too young to take up golf and too old to rush up to the net.