He used to have too much thoughts irrelevant to his work. One night, he got out of the gate of music Auditorium and talked to himsel that next time those thoughts will be allowed must be after he gets to BoT. At the corner of his 23's, he finally realize that the only way to survive is to do a good job on the task he is responsible for, this month, this week, today. If he has not done a good job on it, nothing else.