"I used to just do anything, but now I have some pretty tough, tough rules. Some things I won't do, some places I won't work. No snow, no jungles, no desert, no animals, no kids, no saltwater - it itches. I just don't like the itch anymore. Me, De Niro and Penn, Sean Penn, have this clause." Hollywood actor BRUCE WILLIS jokes about his extensive list of filming restrictions.