I ended badly with my ex-boyfriend, but when I saw him, he was happy to see me. Why?

Anonymous
I ended up with an ex-boyfriend very badly.
I work in a clothing store and today he came with a friend. And his friend often comes to where I work and I saw him the other day on the street, after that he view my story on Instagram.
He was surprised a little but smiled and said hi.
He asked for help. I approached him and he smiled at me and extended his hand to shake hands. He asked me how I was. I found him clothes and he went to try them on. I laughed a little because his shirt was very tight and he asked me why I was smiling. We laughed a little, he asked me how love was, I said never better.
He asked me since when I have been working here, I said since recently and I said that I have been planning something else I complained to him that I had gained weight and he said little and asked why I was telling him that when I am taken. (Have a boyfriend)
He said the discounts were good and asked how long they lasted I gave him the bill, I didn't even look at him, I don't think he looked at meme either, and we said goodbye.
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1 y
I am a girl
I ended badly with my ex-boyfriend, but when I saw him, he was happy to see me. Why?
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