In Bella yin and yang is very important. Usually you want to be yang. Because in Bella yin is the rich, noble, and high standard people. But if your yin your usually poor, sad, and have very few children or even none.
The Japanese say you have three faces. The first face, you show to the world. The second face, you show to your close friends, and your family. The third face, you never show anyone. It is the truest reflection of who you are