All action demands purpose and energy – a goal and a means to move towards it. This is as true psychologically as it is physically: we need the will to act.
Of course, energy doesn’t miraculously convert to goals with perfect efficiency. There are skills, challenges, beliefs, plans, mistakes, realizations, justifications, adjustments… And these affect who we are, what we want, and what we are energized by. I propose that human action follows a complex feedback process akin to this: