“/yin/ [in Chinese philosophy] the passive female principle of the universe, characterized as female and sustaining and associated with structure, night, the moon, fluidity, calmness, the earth, darkness, cold, death, and ascends energy. /yang/ the active male principle of the universe, characterized as male and creative and associated with function, the sky and sun, speed, expression, heaven, heat, light, birth, and descends energy,” Paris helpfully explained in the photo’s caption. Prince’s description of the corresponding tattoos, while a little less informative, is even more sentimental: “You are with me and I am with you ❤,” he wrote on his own Instagram.