__________ (Girlfriend Name)
Subject: Apology for Being Rude and Disrespectful
I am sorry from the bottom of my heart. Wish I could explain the pain I am going through for being rude/mean, If only I can go back in time and make everything right, just to show you how sorry I feel having done this to you.
Things may have gone wrong now, but for all the good times we shared and lived, I request you to forget this as one bad experience and forgive me. We are meant to be together, you make me a better person, and I promise to never let you down again.
Please accept my apology for ________(mention in detail – Being Rude/Abusing/Bad Behaviour/Insulting/other), I can never imagine my life without you and will never ever let this toxic behaviour harm our relationship.
Seeking your Forgiveness.
__________ (Your Name)