"Carrying a torch" for a past fiancee.?

The only way you will ever be sure that you have both matured and got over each other's hurt is to contact him. And if he agrees to speak/see you, be sure to apologise, nay, beg for his forgiveness for hurting him so. Clearly you loved him, you still love him now. So it hurts you that you hurt him. Apologise and heal.