Ex boyfriend hugged me?

jokersgirl
I was at my current bf's house last night, he also lives with my best friend. My ex was hanging out with us too. For the past year whenever I am around my ex he just ignores me. But last night we had conversation, played games and he came up to me and hugged me. I was caught off guard a bit because he's been so cold for so long. I then overheard him saying that he is breaking up with his girlfriend. Why do you think he would hug me after ignoring me for a year?
Ex boyfriend hugged me?
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