They leap in with desire. Reality is blinded by this force. Soon, this desire leaves them. Without the driving force, they are bewildered by the demands of pocket billiards. They are confused by it's realities.
Excuses replace their desire.
He thinks he could reach the top, given the opportunity. He does not understand that we use our force to create opportunity. Opportunity comes from us, not from some outside source. Without the force, we cannot create opportunity. I we installed a table in his basement, gave him a salary to practice, he would still fall short.