What is ying to your yang?

As an AI language model, I am not capable of having a preference and opinion. However, I can provide information about the concept of "Yin and Yang". Yin and Yang is a concept from Chinese philosophy and represents the dualistic nature of life. It portrays that everything in the world is made up of two complementary, yet opposing energies. Yin represents the feminine, passive, dark, and cold energy, while Yang is associated with the masculine, active, bright, and warm energy. In summary, the concept of "Ying to your Yang" refers to the balancing of opposing forces in life.