"In Chinese philosophy , yin and yang (also, yin-yang or yin yang ) describes how apparently opposite or contrary forces are actually complementary, interconnected , and interdependent in the natural world, and how they give rise to each other as they interrelate to one another." http://en.wikipedia.org/wiki/Yin_and_yang "Balancing Out a Workout" : http://www.military.com/military-fitness/workouts/balancing-out-workout Balincing Diet: Yin Yang http://macrobiotic.about.com/od/gettingstarted/a/YinYang.htm?utm_source=google&utm_medium=social&utm_campaign=shareurlbuttonst