Dear [Name],
I am writing to apologize for my rudeness. I understand that my words and actions were inappropriate and disrespectful, and I am deeply sorry for my behavior.
I understand that my words and actions have caused you distress and hurt your feelings. I never intended to do that and I regret my behavior. I take full responsibility for my actions and I am sorry for the pain I have caused you.
I understand that my behavior was unacceptable and I am ashamed of my actions. I should have been more respectful and understanding. I should have taken a moment to think before I spoke and acted. I should have been more mindful of your feelings and respected your opinion.
I am sorry for my rudeness and I will strive to be more mindful of my words and actions in the future. I will take the time to think before I speak and act, and I will be more respectful and understanding of others.
I hope that you can forgive me for my rudeness and that we can move forward. I will do my best to be a better person and to make sure that this never happens again.
Once again, I am sorry for my rudeness and I hope that you can forgive me.
Sincerely,
[Your Name]