Why hasn’t he responded to my dm?

I dmed a guy I found on Instagram (we have mutual friends). I followed him but he didn’t follow me back but i dmed him anyway because I can see we share common interests and I used those as a conversation starter when I replied to his story. But it’s been 3 hours and he still hasn’t replied, mind you the message may have gone into his Message Requests and he may not be notified about it.

Guys, how often do you check Message Requests and do you find this off-putting if a girl you don’t know dms you? I’m overthinking this…

Why hasn’t he responded to my dm?
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