Could I have done this while working sixty-hours-plus weeks? I was fortunate to have the energy to eek out a chapter every week or every two weeks. So, no, I don't think writing productively while in the midst of that degree of work demands was feasible.
Is the twenty-one day theory true? You know, if you do something for 21 days straight, it supposedly becomes a habit.
I don't know, because my focus has been on the day and chapter ahead. One day and one chapter at a time. Write a chapter. Repeat.
The accountability provided by participating in Savvy Author's workshop, Author Coaching and Mentoring Program with Kat Duncan, has increased my productivity and raised the strength of my writing.
Writing has become a habit for me. It's part of my day. A writer writes. I am a Writer.