Nor was it based only on the embryo example, but on one mudcatter suggesting to another that the latter's heart condition might indeed be contemplated as an example of someone being less human. This occured during a discussion when we eventually realised that the true definition of a human being was of a person of the species Homo Sapien, in the prime of their life (from about 15 - 45 years of age), in good health and with no bits mentally or physically missing, and therefore able to lead a 'fulfilled' as opposed to 'potential' life, and was also capable of independent living, as opposed to supported living.