When you donate an organ, is the recipient partly you now? And is a kidney donor any less of a person with only one kidney? Having lost a part of themselves, is their identity minimized in any way? The answer to all of the above is certainly no. Because you haven't given away a part of yourself, you have given a part of your body. And your body is not you. Your soul is. You are a soul, and that soul has a body. So then let's ramp up the question a notch. Brain transplants are not yet possible. Although the way some people behave, it seems as if they have already become donors :) But the theoretical possibility of brain transplants really boggles the mind. Am I still me if I have someone else's brain? Maybe your kidney can become my kidney, and we both still remain the same people. But if someone's brain becomes someone else's, who is who? Well, the answer remains the same. You are not your brain, you are your soul. Your mind, your personality and...