what to do? relationship advice needed

by Rachel
(NZ)

My ex partner and i had been dating for almost two years, and we are both christian, very involved with our youth and we were hapilly in love until my partners ex girlfriend from a previous relationship returned in his life. she was his first love and everything, but he eventually got over her and we were happy. he broke up with me because he fell in love with her again, and she is leading him on. i know that they would not date because she has a very strict family who wouldnt allow it, but it hurts because i know if he can drop me for something that would never happen so quickly then i dont know how much our relationship was worth in the first place. i pray, fast, and beg God to tell me what to do about it, and God continues to tell me to stick with him, even though he pushes me away more everytime i approach my ex. is it worth fighting for even when i know the Lord wants me to? im really confused and the hurt keeps getting worse, its been two months already.