We tried to approach this as though there's never been a Superman movie before but at the same time respecting the canon and mythology. There are the pillars that you have to respect and I'm not about to break them. But it is fun for me to bend them and mess with them.
I led the life of an intellectual up until a certain age. I remember Freud's 'Interpretation of Dreams' was a big favorite when I was 11. It sounded so interesting. And it really was!