There were too many people. When Remus agreed to come to this party, he was under the impression that it was going to be a small gathering. Those had been Andy’s words exactly:  "Remus, darling, don’t worry so much. It will just be a small gathering.’  It turns out that Andy’s idea of a "small gathering’ wildly differs from his own. There wasn’t a single spot on the ground floor of his mother-in-law’s large terraced home that didn’t have an overabundance of humans.