Why was he looking back at me so many times, then throw his water bottle upset on the floor?
What Guys Said 1
I don't know but some reason he doesn't like this guy and he could be jealous of him.
However that also doesn't make sense because he is your ex now. It's also possible your ex still has feelings for you and wants to get back with you, I mean that might be on his mind. Just a possibility.
What Girls Said 1
My guess is that he thinks there may be something going on between you and the other guy.
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