Why does my ex keep me on his Skype's List ?

We had a long long distance relationship and he found a new girlfriend. I was expecting this but it broke my heart though. He would that we stayed friend but I told him that it was better to not to talk to each other for a while. He was agree and told me to not contact him before 6 months because I was too attached to him. It happen 7 months ago and since that day we haven't talked to each other. He greeting me for the new year but I didn't reply.

The thing that torments me is that he didn't delete me from Skype. Is it possible that he is still love me ? As we used to talk on Skype all the time, it seems to me that we are in the same room ignoring each other because he is always online and me also. Why does a man keep an ex on Skype ? Why he hasn't deleted me ? Does he plan to talk to me again one day ?
Why does my ex keep me on his Skype's List ?
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