He has a girlfriend but won't dare to delete me?

So I had a friends with benefits with this guy, we hung out a few times everything was great. Then we stopped talking and for my surprise he got a girlfriend but after everything we had done, he won't delete me. He still follows me on instagram, I still have him on facebook. Like imagine your boyfriend/girlfriend still having someone on social media the person they used to have something else...

He has a girlfriend but won't dare to delete me?
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