久了久了就旧了淡了淡了就断了
[jiŭ le jiŭ le jiù jiù le dàn le dàn le jiù duàn le]
'The longer time goes, relationships get old and eventually fade out'. Reflecting on how over time, even strong relationships can turn stale, lose intensity, and possibly come to an end, conveying an understanding of changes in relationship dynamics over time.