It's the business of movies, it's the fights that go along with the level of budget, and more than anything, it's the creative constipation of having to live with one idea for two or three years. It's just not that fun. ↗
A woman can be very beautiful and an ideal model and she will photograph incredibly well, but she'll appear in film and it won't work. What works is some fusion of physical beauty with some mental field or whatever you call it. I don't know. ↗
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. ↗