Actually, according to my biology teacher, it's less than that. A man is just a life support system for sperm, which in turn is just a way for DNA to get around and make more, different DNA. In fact, when you get right down to it, all living organisms are just mechanisms for the transport and recombination of DNA. Yes indeed, somewhere along the line DNA decided that it was to be the most important of the organic molecules, and started to create vehicles. That's what we are, just cars for selfish molecules. Kinda makes you feel important and self-actualized, huh?