Stop willing yourself to die. The human body can live a lot longer then we have done. We've already seen the lifespan increase and a limit has not yet been reached. The key to immortality is believing in immortality. It also requires you to be physically active improving yourself daily for the rest of your life. It requires fueling your body with the nutrients it needs. The environment in which Humanity must engineer to ensure our best survival is Elementary. Become something better. Stop following history and superstitions into death.