我知道我不够好所以你离开
[wŏ zhī dào wŏ bù gòu hăo suŏ yĭ nĭ lí kāi]
'I know I'm not good enough so you left me' - a deeply melancholic expression of self-reflection. The user admits to their imperfections and accepts personal responsibility for an ex's departure, indicating they have endured emotional pain and learned from it.