In this chapter, we learn that the martial art of sword fighting was originally developed by a couple, and that the more you are in sync with each other, the stronger it gets. This is why, according to the martial arts expert, couples usually lose in a fight because they don't have the right partner. In other words, if you're a martial artist and you have a partner, you can't practice the art as much as you would if you were a partner. The martial art expert tells us that the early stages of a relationship are sweet, but you'll lose your judgment later on. You need to feel it with both your heart and both your strengths and weaknesses, he says. He says that love and marriage aren't as boring as they used to be and that he doesn't need them. He's always been single, and he wants to prove to his fiance that he can still practice his martial art even if they're not married