Why did he not reply on text?

so I met this guy we talked and everything seemed good but then the topic of having kids came up, he wanted kids and I did not.. So we had a major clash in that area. So he asked for my number anyways and I texted him and he said he will connect with me at night but he never replied and it has been 2-3 days now...
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I'm 30 and he is 41...
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I don't understand why he wanted my number when we had a clash about wanting children.. He wants kids and I don't..
Why did he not reply on text?
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