It is expected in sports that you need a coach to achieve your potential, but it is relatively new to business, and usually confined to those in senior positions. Although PMs may have the future of the organisation in their hands, I have yet to meet one with a coach, though I am told that they exist. (I have had mentoring, and been a mentor, but that is something different.) But we can all be our own coach with the help of a few techniques and a bit of NLP.
In Section 1.8 we talked about competences and becoming competent, and how this was achieved through a combination of knowledge, experience and ability. The figure below is a popular model of this process.