Guy I'm talking to takes a day to reply but always carries on the conversation. Is he interested or not?

He is a doctor so he is quite busy and has horrendous shifts so his sleep pattern is bad and he's always tired.

I told him I'd see him after lockdown which he said is fine, but he takes a day to reply, and this time he took a couple of days. He still asks me questions to carry on the conversation though.

Is he interested or not?
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He does view my stories on social media when he hasn't replied
Guy I'm talking to takes a day to reply but always carries on the conversation. Is he interested or not?
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