Guy likes me and flirts but he has a girlfriend!?!?!?

Hello my name is gabbie and I'm 18 yers old, I just got out of a long long Long relationship I was in love with the guy!! He dumped me bacuse I moved a hour away and he said it was to far! He truly broke my heart, tilllll, this guy named Josh came into my life we became good friends! He started dating a girl that I halfway knew. I found out she called me a whore and all this stuff!! I can't stand the girl now!! So her and Josh was dating. One weekend I was at a football game and he was there we started hangging out after the night was over I found myself falling for him and lovin him he also felt the same way he is now always texting saying I miss you and all this, I told him I was not gonna be his backup girl and to make up his mind last night! He got all stressed out and called me upset because he didn't know what to do?!?! He said that he was gonna go 2 weeks and the. MKe his mind up on who he wants to chose... Do you think he really likes me?? Or is he playing me and I'm just gonna get hurt again? Tell me what u think & think I should do!!! Thanks yahoo people'sss :)