I miss him so much....?

l luv my bf i got now but i miss my ex so much....the other night me and my bf was sittin at his house and i was actually cryin and he was like u still mad ova det last f*k boy u had....and i culdnt say nothin cuz it was tru....cuz sometimes when me and my bf do things that me and my ex used to doo i cry....and he was like i give u tha world and more but u still wanna cry for him..call me when u get it together....and i left today HE called me and was like u straight now? and i said i wuld call him back...i dnt know if i shuld just let him find somebody els or just try to get over my ex...how do i do that?