哭到极致欲哭无泪爱到极致以身相许
[kū dào jí zhì yù kū wú lèi ài dào jí zhì yĭ shēn xiāng xŭ]
'Cry until there are no tears left and love wholeheartedly to offer oneself'. It expresses the most profound sadness and passionate love, reflecting the depth of emotion a person feels during intense periods of their lives.