你说我们形影不离我说我们一生不变
[nĭ shuō wŏ men xíng yĭng bù lí wŏ shuō wŏ men yī shēng bù biàn]
You say we're inseparable; I say our relationship will remain unchanged forever. This reflects an idealized perspective about a close and unchangeable friendship or romantic bond.