If a guy comes to visit you or see you at work does he like you?

I asked a similar question about this already, but would like some more clarity on it. I still have a crush on him greatly a year later. He’s an ex-situationship. Stopped talking to me out of the blue. But lately for two months now, every Wednesday morning anywhere from 9am-11am he comes to my work. Very rarely he’ll say wave or say hi. I what does that mean?
If a guy comes to visit you or see you at work does he like you?
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