"I'm glad to hear it," Sherlock says. And he is. For much of his life Sherlock held little truck with friends, believing himself above such attachments, when in actuality he was protecting himself from the pain of rejection and loss. Then Watson came into his life.

"It was not my intention to upset you," he says. "And for that I am sorry. But as your friend, I stand by what I said as well. You're happiness matters to me. There are few things as inimical to happiness as not allowing yourself to be known by those who love you."