He still flirts with me but he chose her, What are his intentions?

Anonymous
Okay so long story short, me and this guy from work were seeing each other for about 3 months, a month ago I found out he was seeing another girl along with me from his school, well she gave him an ultimatum to get with other people or go out with her and he took the ultimatum he told me he still liked me but she was convenient since I lived too far away I commute to school.(I live 20 minutes away from his college)

Well at work he still flirts with me, he ignites the flirting every time I try not to go along with it but I can't help it. He will make excuses to talk to me,push stuff into me,etc I still really like him. And clearly he still likes me and he knows I still like him and its killing me (I kinda hinted to him I still did). So is he waiting for college to end so he can be with me? Why would he still flirt with me if he has a girlfriend when he chose her? I'm so confused. thanks.
He still flirts with me but he chose her, What are his intentions?
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