Think positive! Might be it is because since you two separate, he realised how much he loves you. Then he dumped the woman, not the woman dumped him. He came back for you because he loves you!
之後既日子, 佢有cut 晒個女人既電話, msn, fb.~ That's good! it proves he really want to forget the woman
教 養 孩 童 , 使 他 走 當 行 的 道 , 就 是 到 老 他 也 不 偏 離 。 (箴22:6)
Train up a child in the way he should go: and when he is old, he will not depart from it. (Proverbs 22:6)