Why does he want to move away from me?

Anonymous
He is my close friend. We're both married. Nothing ever happened between us, but we know we have feelings for each other.
Now all of a sudden he doesn't contact me as frequently as he used to, but when we're together, he acts as friendly as always.

My phone broke and he teased me about it and said that he has sent me15 messages already. I told him that he doesn't text me even when I have my phone. He said that is because he is trying to move away from me a little.
Why is he saying that, but still acting the same? Just texting and calling got less frequent, as I said before.

Something else, last week he told me something that I understood as if he doesn't want me anymore to be a part of his hobby group. I texted him that I understand him and that it was ok and that nothing's gonna change the things between us. The next morning he sent me 22 funny memes at once. In the evening he called and told me that I'm not fair and he got upset because I misunderstood everything and that it was the first time that happened. That I had everything right before about him, about us. And I got the impression that he doesn't want to lose me. Why now this moving away thing?
Why does he want to move away from me?
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