The operation lasted for more than four hours, and Elisa observed attentively for the whole duration of it. After the operation, she and the Dean's assistant were responsible for tidying up and cleaning the operating room. Back at the office, she took out her phone and found a bunch of missed calls. Elisa remembered that she was in a hurry before and forgot to call her mother and William. Elisa made a phone call to her mother, and then made a phone call to William. "William, I received a phone call from the director when I got off work and went to observe a temporary operation. I just came out of the operating room." "You haven’t eaten yet?" "Well, everyone was waiting until you returned.” “I will go to mom’s tonight, help her tidy things up before my father comes home tomorrow. I c