Is my ex missing me?

My boyfriend broke up with me almost a month ago but since then we have still been kind of talking but then later we slowly started to stop talking until one day, he gets all upset with me and tells me i make him mad so i decide its best if we dont talk anymore. Its been 5 days since we last talked. He still watches my snapchat stories and likes my ig pictures. Recently last weekend, he posts a snap story of a picture of his tv and captions it "missing her already." What does this mean?
Is my ex missing me?
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