if there's one thing consistent about language it is that it is constantly changing. The only languages that do not change are those whose speakers are dead.
I don't have a fear factor. Well, not much of one. And I'm willing to risk quite a lot - as a comedian, you're always risking a lot. You're risking failure, especially if you're improvising and going on TV shows trying to make comedy out of thin air. That is quite a risky business.