"Come in!" Serenus called out to Harry, not wanting to get up now that he had finally got the chance to sit down, and then he turned back to Gaius and plucked his cup from Gaius' hands. "We're giving Regulus a crash-course on family life," he said, his dark eyes dancing with mischief. "And fix your own tea," he added mock-sternly. "You know where the cups are."
"I agree with the 'crash' part," Regulus said dryly. "When I accepted Tybalt's invitation, I never imagined this is what I was getting myself into."