Why has he stopped messaging me, yet is the first one to watch my stories?

I messaged him last and he never replied and didn't initiate contact and it's been a few days. He will like my photos and be the first to watch my stories. Sometimes I feel like he wants me to chase him but I'm not going to. Is this his way of trying to get my attention?
Why has he stopped messaging me, yet is the first one to watch my stories?
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