深情似海抵不过时光蹉跎
[shēn qíng sì hăi dĭ bù guò shí guāng cuō tuó]
This conveys deep and intense love which is compared to an endless ocean of affection, but even this depth is overwhelmed by the passage of time and life's vicissitudes. Reflecting on how strong emotions can eventually wane with age and change.