Percy flashed a smile at Fred as he came in, trying for sincere but probably only managing mildly-terrified. "It's after seven," he said in protest of the implication that he was there too early. "This is when normal, rational people eat dinner."
He looked around as he went in, and it occurred to him like a slap that this was the first time he'd ever seen the twins' flat.
He turned back to Fred, and then to George as he came up. He held out the sack and bottle in offering. "Actually I was afraid that whatever booze you had on hand would be purple and fruity and foul."