When you go in and do a cool, small character, it feels less like work and more like fun.
You can change a person's life in an instant; put him in a movie, and you start thinking differently, you want to be in another movie. It's like an addiction almost.
I believe that the brain has evolved over millions of years to be responsive to different kinds of content in the world. Language content, musical content, spatial content, numerical content, etc.

