Since time is a fixed asset, then we must find ways to make the most of it. How that time is invested remains in the hands of each individual. The productive or nonproductive use of time is a matter of individual choice. Energy, Physical and Mental as Assets . As such we are able to control this asset positively or negatively.
Physical energy is a function of wellness and health.
To a certain extent we can control our physical energy by observing basic principles of good health. Diet, rest, exercise are keys to wellness. These are under our personal control. No one holds a gun to your head forcing you to eat junk food loaded with sugar, salt and fats. The use of alcohol and drugs is an act of personal choice.