既然不爱我何必把我当备胎
[jì rán bù ài wŏ hé bì bă wŏ dāng bèi tāi]
A heartfelt cry that can be translated as 'If you don't love me, why treat me like a spare tire?' Expressing the frustration and hurt felt when someone is used as a backup option rather than valued for genuine affection.