"Oh-ho-ho-kay," Harry said, jumping up from his seat abruptly, "That’s me done I think," he absolutely did  not need to hear what Ginny and Blaise got up too, "I’ll see you all in the morning - night!" No one particularly noticed his exit however, as Hermione was laughing so hard tears were leaking out of the corner of her eyes, Fred and George both looked horrified and appeared to be trying to pull their ears off, while Ron was preoccupied by the screeching Ginny in his lap.