Let me introduce myself. You know me somewhat, but not well. I would like to change that now. I want to show you who I am, and what I do. Once I do this, I hope you will look at me as a friend. Then - if you wish - we can do many great things together. Who am I? What do I do? I live half within you, half beyond you. The part of me that is in you occupies what people call the unconscious. From here, I speak to you. I send you messages. These messages...