And in man is a three-pound brain which, as far as we know, is the most complex and orderly arrangement of matter in the universe.
Both as a filmmaker and as a fan I love the behind-the-scenes stuff, I like it even more than deleted scenes frankly. Especially when you're happy with the movie and you're proud of it, those deleted scenes give you also a sense of the making of the film and the process through which you end up with the final product.