Lack of discipline, you might say. Lack of discipline is what I said. But, looking back now, I have to accept the fact that in deciding to research and write that chapter—as in deciding to research and write so many chapters that it would have been possible to publish the books without including; indeed in doing the books as a whole the way I have done them, taking so long to do them—there really was no choice involved; that I didn’t really have one.