情深不如久伴久伴与你情深
[qíng shēn bù rú jiŭ bàn jiŭ bàn yŭ nĭ qíng shēn]
This implies 'Deeper affection comes not just from passion but also from prolonged companionship, leading to profound emotion.' It emphasizes that deep bonds develop over long periods of staying together, suggesting that true love deepens with shared time.