Well when I was a kid and I watched 'Speed Racer ' I used to always watch it in the morning with my cereal. And when I ate the cereal I would pour soda into the cereal because we never really had milk for some reason I don't know.
On 'Into The Wild' I spent months risking my life and on 'Speed Racer' I spent 60 days acting in front of a green screen. No danger to my physical self but I sure had to use my imagination.
I know really really famous people who are terrified every time they walk on to a stage.