I use something that is a real staple in the directing world. It's called a dance floor. You lay it down so that it's so smooth you can roll around, and you can put furniture on top of it. It's seamless and you don't see it.
I can get very philosophical and ask the questions Keats was asking as a young guy. What are we here for? What's a soul? What's it all about? What is thinking about, imagination?
I was always the kid who could draw. I had this talent, and it was the one thing that gave me some kind of dignity in the midst of my personal environment.