City a, a mental hospital.

"Mom Zhang, I don't think you look very well. Are you not feeling well? Why don't you take a day off today? "

Zhang Wenlan reluctantly smiled and said, "it's OK. I'm old, and my body is a little rough. I won't tell you. I have to clean the second floor. I'll go first."

the colleague looked worried and nodded, "well, be careful. If you are really uncomfortable, don't hold on. Remember to ask for leave and rest."

"I know. I'll go first."

Zhang Wenlan walks forward with a mop and bucket, and three or two colleagues behind him whisper.

"ah, you said that mother...