Have you ever considered what your body is? What are the delineating factors that make up your body? Are you flesh and bone? Are you the individual cells that make up the aspects of your being? Are you the subatomic particles that have converged to create your cells? How about the energetic forms that are all below the level of the subatomic? Where does your body begin and end? Does it begin and end?
All these questions boil down to one: What makes you, you?