Malfoy's fiance

Your Draco's best friend, have been for years, but what happens when before you go to Hogwarts one year you find out you're to be wed. Will it change your relationship or will you both still be best friends?

" Your such a dick!" I yelled without realizing what I was saying. I covered my mouth looking at him.
" And you're a bitch your point is?" He asked irritated but I could see the hurt in his eyes.