Depressed over an ex?

ok during the summer i lost my verginity 2 one of my exs that i thought i was in love with and i thought i was ready for sex but i was wrong...... ok we made promises 2 each other that we will never break up but i eventually found out that he has a baby but the baby mama dont want anything 2 do with him but then i found out he had another baby by another mama and i was ok with it at first but then i found out that he was going out of state 2 see his baby but he sed he dont have anything 2 do with the mama he sed he would only be gone till december and here it is april i keep asking him when we talk if hes ever gonna come back he says yes but idk cuz im pretty sure he wants 2 stay there with her we been broke up since september when he left my depression i s that im still so very in love with him but i dont think he wants me.... we had a song called bonnie and clyde by haystak that we always listened 2 2gether and sang 2 each other and now every time i hear that song i burst out in tears..... i passed his old house this morning at the same time i was listening 2 the song and i jus couldnt help but 2 cry more and more..... wat should i do about this??? he already knows how i feel.....