The relief he felt that he hadn't forgotten something vital was shortlived and had been rapidly replaced by the feeling that he was the only one missing the punchline of a joke.
"I dunno, the look on both of your faces has me thinking I'm missing something here." He continued to stare between them until his eyes were drawn by a rather large book flopping around on the coffee table. He was just about to comment when something caught his eye. Several somethings. Several somethings he'd recently seen in Grimmauld place.
It was a fight to keep his jaw hinged as his eyes widened. "Something you two want to tell me?"