He actually hugged his ex girlfriend in front of me?!

I like a boy in school who's older and he's always flirting or staring he told people we're going out. I went away for the winter; he had statuses that made it kinda obvious ... Since I came back though he's been ignoring me?! He actually hugged his ex girlfriend in front of me LITERALLY. As far as I know he used her & he said in front of me loudly that he hated her she thinks she's all that and he wanted to slap her up but HE HUGGED HER IN FRONT OF ME?! WTF IS HIS GAME?!
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Awkward had to be right next to her today and we both looked at each other like WTF ...
He actually hugged his ex girlfriend in front of me?!
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