Before you even dig into the recipes, she suggests you do a self-assessment as to whether your body type is yin or yang.
“He needed Ruth because she was the yin to his yang,” says Baggett.
I'm glad there's a yin in that office considering there used to be only a yang.
1670s, from Chinese (Mandarin) "female, night, lunar."
Two forces in the universe, according to a Chinese theory: yin is the passive, negative force, and yang the active, positive force. According to this theory, wise people will detect these forces in the seasons, in their food, and so on, and will regulate their lives accordingly.