WHY IN DUMBLEDORE'S PAJAMA PANTS WAS THE GRYFFINDOR TABLE SO CROWDED?

This must have been a fire hazard or something to have so many people so close together. The brunette was glad she was little because she was able to weave her way through the crowd, dodging people throwing at arms as the spoke and... DANCED? Were.... Were people actually dancing on the tables? What had they been....? Olivia had almost made it to a free spot on the table when she tripped (classic Professional Gravity Tester thing to do) and stumbled into someone.

Starting fifth year with a fall!