If you were a PGA Teaching Pro, would it drive you nuts if a client shows up and goes on endlessly about ‘Tips’ he’s found on YouTube? And then, proceed to bring those videos up on the phone for you to see? You are paying at least 100 an hour for HIS knowledge and take 20 minutes of your time, basically ignoring his expertise. Then the rest of the 40 minutes is him essentially ignoring what you show him, or trying to.