The following, inspired by Ming the Clam (who lived to 507) are listed as 'efficiency factors' in the (eventually) forthcoming Dimensional Immortality Toolkit, scheduled to be released in 2028 or earlier.
(4) Ethical conduct
Thus, a conservative strategy might be to (1) Evolve, (2) Practice Ecology, (3) Have Endurance, (4) Conduct Oneself Ethically, (5) Find Nutrition, (6) Have Wisdom, and (7) Be Intelligent.
My earlier articles on the subject can be found at: http://ezinearticles.com/?expert=Nathan_L_Coppedge
International Society for the Philosophy of Architecture » Ethics and Aesthetics of Architecture and the Environment