Eric had stared blankly at Sherlock since the moment he'd entered the room. The way that the human just...ignored him was so immensely irritating that he could barely stand it.

Still, hundreds of years had made him patient enough to keep quiet, leaning against the counter to watch them as the man droned on...and on. He certainly liked the sound of his own voice, didn't he?

"If Rose's condition is so important, then why don't you let her speak instead of bringing up someone entirely different," he said, his tone deadpan. "I'm sure John is a big boy." Or not, if he needed a fictional detective to stand up for him.