Our bodies are not programmed to stand the stress of sitting or being inactive. You need to use energy to gain energy. Being physically fit is more than striving to live longer. Being physically fit is striving to live better. Even a little exercise can protect you from early death.
Exercise is a basis for living a full life.
It will help you bring your body, mind and spirit into concert. The effort it takes for you to be physically fit will help you to discover the individual within yourself.