Well, when you are really involved in this completely engaging process of creating something new, as this man is, he doesn't have enough attention left over to monitor how his body feels, or his problems at home.
假如你真的是全身心的投入此间 像这位作曲家那样去创造一种新的东西 就不可能再有精力 去感知他的身体在那一刻发生的变化