我知道你怕黑是怕你离开我
[wŏ zhī dào nĭ pà hēi shì pà nĭ lí kāi wŏ]
This username suggests emotional depth and vulnerability. The line means 'I know your fear of the dark stems from a fear of leaving me.' This person might believe that the other person's uneasiness or fear is actually rooted in concern for him/her or doesn't wish to be away from each other. The tone reflects tenderness and intimacy.