Every time he talks to me he asks why I haven’t texted him?

I’ve been talking to this guy for a month. We talk everyday, and if not everyday, every other day. When he messages me he always asks me why have I stopped talking to him, why I didn’t say good morning to him, if I’m playing games etc. in a joking manner, not in a mean way.

Im not the clingy type. I let him come to me. Is what he’s showing a red flag? Or is it because he’s interested?
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**and just for added detail, he’s 33.
Every time he talks to me he asks why I haven’t texted him?
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