Is he ending what ever kind of relationship we have?

First of all, we're both married. We began as friends, but somewhere along the way, we caught feelings for each other. Nothing physical ever happened between us. We know each other for 7 years.
For the last month or so, he reduced the communication to a minimum over the phone. When we see each other (never alone) we talk like we always did. We laugh and joke and all.
I tried talking to him and telling him that it was ok if he doesn't want to be friends anymore.
Today I asked if he's ending what we have and why he has to make it so hard to talk about it.
He said that he was not yet ready to talk but that everything is ok.
If you want to judge, please don't. It's hard enough as it is.
Thank you.
Is he ending what ever kind of relationship we have?
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