Confused

Right so I was going out with this boy for like 3 months and I really loved him he really loved me but he was talking to this girl for like the mogity of the time we were going out so i told him I don't like it he didn't listen so it got to the point where I got so mad that I started talking to this boy but as friends and I went on oovoo with this boy and my friend and my boyfriend found out and dumped me and its been like more than a week and I'm still not over him and he's meeting this girl for the first time on Friday and he says he has feelings for her already I really don't know what to do