Draco Mlfoy.

You and Draco didn't get along so well, when you met in the hallways or in classes you were constantly insulting each other, you didn't mind talking loudly around him and although Blaise and Pansy made fun of him that "hate to love" you just made a face
You were in the hallway with Blaise and Pansy complaining about Draco until Blaise told you to shuffle your voice because Draco saw but you didn't care
-What do I care? I don't care, it's better that you listen to me you said out loud

…