I think in the end when you're famous people like to narrow you down to a few personality traits. I think I've just become this ambitious say-whatever's-on-her-mind intimidating person. And that's part of my personality but it's certainly not anywhere near the whole thing.
Fear may very well be a caveman fear of the predator of the giant lizard chasing them - maybe that's what Steven Spielberg connects with so well in Lost World.