People who get into animation tend to be kids. We don't have to grow up. But also, animators are great observers, and there's this childlike wonder and interest in the world, the observation of little things that happen in life.
The spirit of Route 66 is in the details: every scratch on a fender, every curl of paint on a weathered billboard, every blade of grass growing up through a cracked street.
I always loved the idea of a spy movie and part of it came from my personal love of spy movies. It started when I was growing up as a little kid in the 60s.