亲爱的你说我是你的谁亲爱的你是我最爱的人
[qīn ài de nĭ shuō wŏ shì nĭ de shéi qīn ài de nĭ shì wŏ zuì ài de rén]
Translated as 'Dear, tell me what role I play in your life; dear, you're my favorite person', it indicates a strong desire to know their place and role within a relationship, coupled with heartfelt affection.