That was commitment:: commitment to her book, to her editor, to her publisher.
Commitment to writing for publication means taking on board all aspects of the job--and yes, it is a job. It may be creative, it may be an art, it may allow you to work flexi-time. But writing has all the same pressures as any other business--research and development, selection of the best materials for the job, deadlines, attention to detail, scrupulous checking and discarding when necessary to ensure a perfect product.
Read more at http://www.writersonthemove.com/2012/04/writing-means-commitment.html