“Baby? Have you seen the file I had last night?” YuZhi was wandering around the Livingroom, pulling up couch cushions and kneeling down to check under furniture, trying hard to remember what he did with it. Frustrated with himself for losing something so important in one night and clock watching because he was already running late. He was tired, head already buzzing with so many details about today and agitated with this delay.

“Try the bedroom. You came in with it, I think, when I was falling asleep.” TangShi was in the bathroom tying her hair up into a high ponytail for a day at school, checking the time while...