等我老了我数你的白发等我老了我数你的皱纹
[dĕng wŏ lăo le wŏ shù nĭ de bái fā dĕng wŏ lăo le wŏ shù nĭ de zhòu wén]
A romantic notion that shows a deep desire to grow old together with someone special, symbolized by counting their white hairs and wrinkles as signs of aging and shared experiences over time.