What should i do about my ex?

my ex and i broke up nearly 2 months ago 9 he dumped me over facebook). his current girlfriend ( the girl he cheated on me with ) is going back to france soon and my ex text-ed me 2 day saying he missed me , so i relied sorry wrong number , then i didn't get a reply so i texet Again saying sorry didn't reconsider u number are u ok still didn't get a reply . is he waiting on his current girlfriend to leave to get bk with me . not that i want him bk even if i still love him i dint want him bk . but wat can i do