深情不及久伴久伴不及新欢
[shēn qíng bù jí jiŭ bàn jiŭ bàn bù jí xīn huān]
'Deep love can't match long-lasting companionship, but neither does it compare to the thrill of new affection.' This highlights a perspective on the complexity of relationships: while deep passion may exist, nothing replaces the endurance of being together over long periods, which still pales next to the exhilaration felt towards newfound infatuations.