This idea of two way will: inward and outward.
Inward will means the will to do what is best for me, to take care of one self, to be better.
Outward means to do what is needed to achieve your goals and contribute in this world the way you want.
To take care of oneself is a matter of: body, mind, energy, attention.
To contribute is to know what you want to do here and why.