我是你的谁呀你是我媳妇呗
[wŏ shì nĭ de shéi yā nĭ shì wŏ xí fù bei]
Translates into 'Who am I in relation to you? Well, I’m your partner'. It playfully suggests a clear and certain relational role within a couple, implying a close and recognized relationship akin to marriage.