I was in a 10 year affair with an avoidant, now he’s ended it out of the blue?

So there’s no room here to show my remorse, but it’s there. I’ve been part of a 10 year affair for 10 years. It wasn’t sexual until the end part of the relationship. He’s an avoidant, which means it was never a romantic type relationship and neither was it just about sex. We had a close relationship; I have known him since high school and so I was well aware of his personality and how he handled situations and relationships.
he's married, happily. We reconnected and became close again after he felt he couldn’t open up to his wife, we shared a special bond and he always felt safe with me.
that said, the past year or so I have felt him slowly pulling away, I’m an anxious attacher so I chased and the more I chased the more distance he put between us.
he eventually officially ended it around 3 months ago, I respected his decision, and have left him alone. I haven’t turned crazy and sent him 100 messages a day; or turned up at his work: I haven’t turned toxic and threatened to tell him wife, I’ve simply let it go like he asked.
since then, he hasn’t fully cut me out and still messages every couple of weeks. He invites me out with mutual friends etc. I haven’t agreed and we haven’t met since the break up. I asked if he loved me when he ended it, and he replied he didn’t; but that he cares about me and I’ll always be a friend to him. I struggle to believe this from the length of our affair; and the fact he has my face tattooed on him. We spoke daily for years; now there is nothing between us. It’s like a switched he clicked and was done. I have been researching the personal and he fits it to a tee, so I’m assuming he still has love for me but is suppressing it. I will never reach out, but I’m wondering if he’ll ever find those strong feelings for me again?

I was in a 10 year affair with an avoidant, now he’s ended it out of the blue?
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