That A-ha! Moment - Why Use a Consultant?

I am a big proponent of David Allen’s Getting Things Done (GTD) approach to life. I have been following its precepts for more than a decade. At times, I feel like I could teach a seminar on his work-life management system! That’s why the idea of talking to one of the experts at GTD about a small problem I was having seemed absurd. Why use a consultant on a topic where I already know the answers? I discovered that in fact, talking to an expert about a matter in which I was already proficient was worthwhile both in time and money. Here’s why: What can experts provide?