再笨也是你相公再傻也是你娘子
[zài bèn yĕ shì nĭ xiāng gōng zài shă yĕ shì nĭ niáng zi]
This nickname expresses deep love and commitment despite one's flaws. 'Xianggong' (相公) means 'husband,' and 'Niangzi' (娘子) means 'wife,' emphasizing mutual affection even if both may seem foolish at times.