How can i get my ex back?

OK soo its been awhilee since we have datedd. hee broke up with me bcuz he liked this other girl, i got really upset but i still talked to him after the wholee thing went down. i was doing everything i could to win him back but it was not working, he said he didnt want a realitonship, but his mypsace was saying all this stuff about how he looking for the right one and i asked him about that and he just said not right now. he's in a realitonship with this girl...i left it alone although it was hurting me reall badd.i stopped talking to him and before they starting dating me and him would always kiss and make out and stuff and that stopped once he hooked up with her and i stopped talking o him..few days ago he messages me on myspace and says he misses me and misses us kissing..next dayy we kiss..and stuff. and now he ignoring me again..him and his gf brokee up today. but he didnt tlk 2 me yesterday. i just want him bak because i truly love hiim..and he says he loves me but i dont know.