Naturally, John's unfazed by the petulant look he receives from his flatmate. He stares right back and dares Sherlock to challenge him on this. With what he's been told about Moriarty this evening, the sparks of worry have raged into an inferno, and keeping his friend safe has become one of his biggest priorities right now.

Bruce was right, he thinks resentfully and purses his lips together. He's scared of what might happen now that madman's been pulled back. Although the detective's next reaction isn't quite what he was expecting and John's thrown off-guard.

"Me?"