I think cinema, movies, and magic have always been closely associated. The very earliest people who made film were magicians.
Roger Corman exploited all of the young people who worked for him, but he really gave you responsibility and opportunity. So it was kind of a fair deal.
The essence of cinema is editing. It's the combination of what can be extraordinary images of people during emotional moments, or images in a general sense, put together in a kind of alchemy.
When I was about 9, I had polio, and people were very frightened for their children, so you tended to be isolated. I was paralyzed for a while, so I watched television.