I think people think Jim Carrey's just wild and crazy. He really is very disciplined. It is true of Eddie Murphy and Robin Williams as well.
Clint Eastwood is aging beautifully. But someone like Burt Reynolds and others are practically destroying their faces in the amount of work they have.
You know, you can touch a stick of dynamite, but if you touch a venomous snake it'll turn around and bite you and kill you so fast it's not even funny.