At home.
After sending away his guest, Zhang Ye closed the door and returned to his seat
Mom said with a beaming smile, "Son, come and drink something."
Zhang Ye said, "Mom, didn't I say, you don't have to worry about matters that deal with my work."
"I wasn't worried." Mom gave some tea to her son and then pointed to her husband. "It's all because of your father's worrying. I say, what does an old man like you know? Just worrying over nothing!"
Dad nearly coughed out a mouthful of blood. "When did it become my fault?"