you and Draco have been friendly for some time now, in the whole 6 years you've currently been at school. Draco somehow convinced you to break one of the many, many school rules- don't be out of your common room past 10pm. What did he do that for? For fun. That was his explanation. Now you both are in trouble, having to now stay up all night cleaning the potions room. Not too bad, until you see how tall some of those shelves are, and remember the fact you aren't allowed to use magic to clean.