我只能你叫我傻瓜你也只能叫我笨蛋
[wŏ zhĭ néng nĭ jiào wŏ shă guā nĭ yĕ zhĭ néng jiào wŏ bèn dàn]
Implies an exclusive relationship dynamic where two people only refer to each other using endearing terms like 'fool' or 'silly', which paradoxically demonstrates their intimacy or close connection with unique forms of communication between them.