我是高湛配你情深我是陆贞配你长久
[wŏ shì gāo zhàn pèi nĭ qíng shēn wŏ shì lù zhēn pèi nĭ zhăng jiŭ]
This nickname refers to characters from the Chinese drama 'Empresses in the Palace'. Gao Zhan and Lu Zhen are roles that have a deep, lasting relationship. The user is indicating that they will love someone as deeply and lastingly as these characters did in the drama.