A while back I was trying to explain to someone how skateboarders see the world on a day-to-day basis. Literally the differences in what we focus on walking down the street or looking out the train window... They didn't really get it and I guess that's not their fault. Unless you've been doing something pretty much constantly for 15-20 years there's no way of identifying that this random outlook just becomes - not even second nature - more like 'first nature'. It's just who you are.