See Mastery by George Leonard which is a great book and highly recommended even if you are not into karate or martial arts. You have echoed his sketch of pun

See Mastery by George Leonard which is a great book and highly recommended even if you are not into karate or martial arts. You have echoed his sketch of punctuated plateaus (p14): The Mastery Curve There's really no way around it. Learning any new skill involves relatively brief spurts of progress, each of which is followed by a slight decline to a plateau somewhat higher in most cases than that which preceded it. [pdf] http://index-of.co.uk/Social-Interactions/Mastery%20-%20The%20Keys%20To%20Success%20And%20Long-Term%20Fulfillment%20-%20George%20Leonard.pdf http://index-of.co.uk/Social-Interactions/Mastery%20-%20The%...