HELP!!!!! Please!!! (Relationships)?

We went out for 2 days and he texted me saying i think the best thing for us to do is just be friends. So,i was like,ok....So when i got home i went on facebook,and saw he had another girlfriend....He was saying ily to her just like he dd to me....And he has a different girlfriend every week..... And i never changed my statues on facebook because i knew the relationship wasn't going to last long....And i was sooo pissed.