It is good to perfect a craft.
Dave is looking at his guitar marveling at it when his wife Susan asks him if he's going to practice today.
Dave wants to respond to Susan's question.
Dave tells Susan that he is indeed going to practice his butt off today as he would any day.
Dave says that he won't practice today as he just cannot find the time nor energy.
Dave gets better at guitar which leads to a peaceful inner satisfaction that's hard to get from anything else.
Dave's guitar skill begins to diminish, and he stops getting as much enjoyment out of the instrument.