after she arrived at the chu palace, the king looked down on the women's quarters and noticed her not looking up no matter what he offered her. he then made her his principal wife. both she and his chief minister cautioned against the appointment of his son shangchen as crown prince. after the king ignored the advice, shangchen caused the downfall of the minister. after this, the king wanted to appoint a younger son as heir apparent instead, but now zheng mao advised against this, predicting civil war.