A healthy physical and spiritual approach to life provides a benefit to extending life. The benefit of this extension on a spiritual level is eternal in nature.
Paul phrased it this way, “bodily discipline is only of little profit, but godliness is profitable for all things, since it holds promise for the present life and also for the life to come” (1 Ti. 4:8).
Developing the habits for a godly life require at least three necessities: 1) constant nourishment in healthy and balanced teaching, 2) avoiding a worldly focus, and 3) discipline in godliness.