她是我心病亦是我心药
[tā shì wŏ xīn bìng yì shì wŏ xīn yào]
The phrase combines the ideas of 'She is both my illness and my remedy'. It poetically means that a woman has become the cause of all problems yet is also the sole source of healing, signifying emotional dependency and duality of pain and comfort one gets from someone special.