They had been in History of Magic, Harry struggling to focus on his assigned chapter, when he heard Draco laugh. A real, happy laugh, instead of his usual mocking one. Harry had been so surprised, it wasn’t much of a wonder his thoughts had slipped out.
“You have a nice smile.”
Everyone had stopped working to stare at him, including Malfoy, his smile suddenly gone.
“Potter, what did you just say?”