Back at the office, the girls discuss the food they've just eaten. They're not sure if it's sour or not, but they're happy to have eaten it all. The girls ask zhou what the signs of pregnancy are, and he tells them that pregnant women have a "sudden craving" for "sour food" in movies and television shows. They ask if she's pregnant, and zhou tells them she'll know if he's happy if she finds out. The girl is worried that she'd be pregnant if she found out, but zhou reassures her that he'll be happy if he found out