别等我走了才说爱我别等我哭了才心疼我
[bié dĕng wŏ zŏu le cái shuō ài wŏ bié dĕng wŏ kū le cái xīn téng wŏ]
'Don't Say You Love Me When I've Already Left; Don't Miss Me Only After I'm Crying'. The message conveys the longing for genuine and timely love and appreciation, instead of regret after loss.