I do not believe learning is difficult. But, what I have seen is that a countless number of promising learners cannot progress to even half of their peak performance. Why is this? Scientific studies show that the stimulated cells of brain nerve are much denser connected than un-stimulated cells. And, denser connected brain cells are easier to “turn on” our higher cognitive abilities and create whole brain brilliance and balance effectively and proactively. An one hour private music lesson or an one hour private tennis coaching or an one hour math tutoring might cost you the same, but the bit of matter is that the effectiveness is dependent on if your intelligence is stimulated...