A friend of mine in the speaking business had just finished giving a presentation and, characteristically, many people lined up to speak to him. One woman asked him a question, in the form of “would you recommend doing XYZ?” His response was, “Yes. That sounds pretty good,” to which she replied, “Well it's in your book on page 156.”
Sometimes we need to review what we've written before we get front of audiences because they've reviewed what we've written.