Why did he delete our photo?

So there’s this guy I’ve known a few years, we have always been extremely close but met through work whilst in relationships. We lost contact for a few years and the past two years have started meeting up again as now we are single. We have only recently started sleeping together as there are a million reasons why atm we can’t be anything more than what we are. We have expressed feelings for each other, but nothing deep as we are still in love with exs, which we are both honest about. Anyway he lately has started asking and hinting for a photo of us, of how we should have this night, or will next time etc. Whilst out last Friday we asked to have a selfie and we took one, both smiling etc and from what I remember it was nice. He brought it up today and when I asked to see it he said he deleted it. I was a little shocked as what was the need to delete? After going on so much for us to have one lol, just doesn’t really make sense to me. Half of me thinks he doesn’t want to admit he still has it? But that’s immature. Struggling to understand this small quirky dilemma.

Why did he delete our photo?
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