On the first day of time travel, he was regarded as "Zhu Biao's illegitimate son" and was almost killed by Lao Zhu. In his desperation, he cleverly called Queen Ma "mother" and started his career of "bringing up a filial son".
Use the amulet of the word "filial piety" to transform Ming Dynasty into a "family business", and by the way, provide care for Lao Zhu until his death.