Roo, this is fucking hilarious. And brilliant. Your brain must be a fascinating place, I'll have to hang out there sometime. ;)
I love the utter insanity of Severus and Harry taking over cupid's job for a day. (Nice reference to The Santa Clause with the rule around the card's edge, btw. *grin*) Too many other wonderful things to mention them all. Awesome job, darling. :)