Is this just a typical concern or something else?

Hey guys so there is a guy. Both of us are single and none like each other. We have decided to sext untill we get someone for ourselves. So basically its only 2 or 3 times we did and the other times I denied. But he texts me often as how I am doing or how was my day. Is he trying to generate excitement to chat with me or is he interested in me?
Is this just a typical concern or something else?
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