Jin Zijin agreed to take in Gu Youyou, because he had once had an accident while hunting in the mountains when he first came to Lotus Village and nearly died there. Later, Gu Feng saved him and in order to repay the debt of gratitude, he agreed to help Gu Youyou.
They later realized that Gu Youyou and Jin Zijin were not really husband and wife.
Generally, even the poorest couples would hold a wedding ceremony, but due to Gu Youyou being close to death that day, the ceremony was skipped. Normally, a chicken is used as a substitute in such cases, but they did not even have a chicken, so everyone believed it was a sham.
Their marriage was fake.
The outsiders didn't know, but how could Erya and the others not know?
Despite outsider claims that their marriage was fake, Erya saw how genuinely affectionate the eldest sister and her husband were to each other; their gazes filled with genuine emotion couldn't be faked.
Unless something happened that forced them to act that way.
