He, or it, existed for who knows how long. Even the aura of Pangu's father-god is still remembered. He cultivated immortality and built a good relationship, but he couldn't cultivate a single word of love.
She often has the intention to harm others, but her nature has not been lost and she has never harmed others. Being tricked but unable to fight back.
He and she are locked in love, and the red thread is hard to break.