Perhaps it's good for one to suffer. Can an artist do anything if he's happy? Would he ever want to do anything? What is art after all but a protest against the horrible inclemency of life?
People intoxicate themselves with work so they won't see how they really are.
Wushu is a move in Chinese a physical move. An attack. Wushu is like an art.
But in Japanese there's actually not much of a relationship between the music and the words.