Driving is very different when you ride a bike in addition to driving a car. This dual identity allows you to see the road not only as a driver, but as a cyclist. Both perspectives often come into play, simultaneously, when sharing the road and when watching other drivers share the road.
As a kid, I rode a bike almost unconsciously. Cars were an oddity, a foreign entity used by adults.
Naturally, I only rode in a car as a passenger, so my experience of automobile travel was one of watching the scenery go by and wishing we would get there already and get out of the car. In fact, my childlike view of cars was that people got in and out of them because it was time to go somewhere.