你不是想他我有说过吗
[nĭ bù shì xiăng tā wŏ yŏu shuō guò ma]
This username means 'Didn't I say it before when you were thinking of him?'. It's a casual and colloquial phrase that conveys a sense of reminiscence or perhaps exasperation. The speaker may be reminding someone about previous conversations regarding missing or thinking about a person.