I'd say that while it's normal to long for an apology, if you really need it, you're not ready to speak to whoever harmed you. Non-apologizers tend to walk on a tightrope of defensiveness above a huge canyon of low self-esteem - they just can't listen to anything that's going to set them off balance. So focus on what you say for your own sake, because you need to hear your own voice telling the truth.