Whether the artist's life and journey, as described by Stephen Pressfield, or simply attaining the life we desire, Pressfield says (again) in The War of Art:
In the end the question can only be answered by action.
Do it or don't do it.
Are you a writer? Then write...or don't
Are you a photographer? Then photograph people or the world - whatever you want...or don't
Are you a creator? Then create...or don't
Whatever your cause, whatever your journey, whatever your purpose - it can only be answered by your actions.
Do it...or don't do it. What are the consequences if you do? What if you don't?