We just met and I thought he liked me, but then he didn't text me like I expected?

Met him two weeks ago. First time, I didn’t pay much attention to him, but I knew he was interested. Second time, we started talking and he asked me out on a date, but I couldn’t bc I had other plans that day.

He texted me the next day but then never replied back to me. I don’t understand why since he was way more interested on me than I was on him. Now I’m just confused.
We just met and I thought he liked me, but then he didn't text me like I expected?
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