我拿他当命他拿我当病
[wŏ ná tā dāng mìng tā ná wŏ dāng bìng]
‘I treat him like my life, he treats me like an illness.’ This highlights a deeply one-sided relationship. One person considers the other immensely important while feeling unreciprocated, almost shunned or treated like an inconvenience or burden.