Sherlock was still too shocked to stop John from taking the picture, but he did scowl when it was done. "John." He said, in a lower tone this time. At least it had thrown him out of his daze.

"You.. are sure? I haven't noticed any morning sickness or anything else..." Of course John was a doctor, he'd know, but Sherlock was.. well. Sherlock. He made a living, literally, out of observing people.

How had he missed it, he wonder?