最初的相濡以沫最后的擦肩而过
[zuì chū de xiāng rú yĭ mò zuì hòu de cā jiān ér guò]
Roughly translating to 'from originally supporting each other intimately to ending up passing by as strangers,' conveying the poignant realization about relationships evolving from closeness to ultimate estrangement, hinting at a story full of change over time.