他是我的那个傻瓜她是我的那个笨蛋
[tā shì wŏ de nèi gè shă guā tā shì wŏ de nèi gè bèn dàn]
Affectionately calling each other foolish, this nickname captures the endearing way couples sometimes see each other. Both partners accept each other's flaws as part of their love.