Three months in, John was still ecstatic to have William. But he had made the decision to go back to work. Sherlock was home during the day and they had trusted Mrs. Hudson to watch William when they were both out.

He was coming in the door one evening, rubbing his neck. He pulled off his jacket and hung it up before going into the kitchen. A note from Sherlock. It seemed they had gone to visit Mycroft. He smiled and went to take a shower. Get the day off him.