John nodded. "It will be a good lesson in patience. Especially when your younger sibling arrives."

He didn't look at Sherlock, or William.

He stared ahead, much like his son. But there was a small smirk on his face. He hadn't been sure, but after the past few days, he was positive. They were adding to their family.

They might need to move. Or Sherlock might go on a remodel spree again.