俗语有云妻不如妾
[sú yŭ yŏu yún qī bù rú qiè]
The saying goes that a 'concubine is better than a wife.' It comes from an old traditional belief in societies where concubinage was accepted and reflects a negative perspective of marriages in ancient cultures, often implying dissatisfaction within marriage. Warning: this viewpoint does not apply positive modern relationships.