I like what this article has to say. I would just add that before you apologize, you should think out what you did, how is was wrong and harmed the other and l

I like what this article has to say. I would just add that before you apologize, you should think out what you did, how is was wrong and harmed the other and let yourself feel bad about it, and how you can stop yourself from doing the same sort of wrong thing in the future. Then just say all that to the other person.