My ex-girlfriend is still wearing my chain? Does this mean anything?

She was recently tagged in some photos with her friends and from what I saw she was still wearing my chain. Not a chain I had bought her, but my chain. As in a mens silver chain. Before when we had argued she had once took it off and threw it back to me. Does she know she's still wearing it? Or has she not realized yet that she's wearing it? We talk now and again, and have agreed to spend new years eve together (I reckon she will back out at the last minute though) am I looking to much into this and that its a coincidence she's still wearing it? or is she still wearing it cause she still cares?
My ex-girlfriend is still wearing my chain? Does this mean anything?
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