It was Saturday, so Deng Jia Zhe was off work and Sanbao didn't have preschool. We all slept in. Zhao Mingzhen was busy in the kitchen with breakfast while I sat on the sofa with Sanbao, building with blocks. Deng Jia Zhe had just come downstairs. When the doorbell rang, Deng Jia Zhe strode over to answer it. The arrival of this uninvited guest stunned us all. But no one was more stunned than Zhao