What does the Big Book say?
He has read this volume and says he is prepared to go through with the Twelve Steps of the program of recovery. Having had the experience yourself, you can give him much practical advice. (Page 96)
The answer, therefore, is yes.
How much?
Much.
On what?
The Twelve Steps.
What do the Twelve Steps apply to?
All our affairs:
Having had a spiritual awakening as the result of these steps, we tried to carry this message to alcoholics, and to practice these principles in all our affairs. (Page 60)