What does it mean when a guy on Tiktok who knows me reads my comment on Tiktok Live and smiles at it but doesn't say anything?

I kinda know this guy and he knows me. We are not too close at all. He regularly goes on tiktok. I met him on there. Anyway, when he went on Live I wrote something and he didn't respond to it but he smiled at the comment instead. However, he did reply to all the other comments he received.

What does it mean when a guy on Tiktok who knows me reads my comment on Tiktok Live and smiles at it but doesn't say anything?
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