How To Write A Letter Of Apology To Your Brother . I've always admired the way you are honest and have a smile on your face. I am sure all our relatives must have attended the party and made it a grand success. Write a letter to your brother in a boarding school telling him about from brainly.in I will do anything just to take away all the pain that you’re feeling. Sometimes when we would fight, you would hurt me. Write this type of letter for any situation in which you are communicating your appreciation to your brother or sister.