How to get ur ex-bf back into the long distance relationship?

Me and my ex were having a long distance relationship. We have an age gap of 4yrs. I haven't met him till nw and dn't know wen v will b meeting and this irritates both of us.i really love him and he also did so but now he is fed up of this LDR.Aftr being in dis relationshp 4 5mnths he dumpd me saying he's fed up nd he wud nvr had dumpd me if dis wudn't hv been LDR. I really want him back..what shud i do? Plz help...