They say it's to save money, so they abandon the patient. This is one of the reasons often cited by outsiders for families facing brain death.
With their mouths on others' mouths, Xiao Yu's parents can't control it. The truth is, a rational person should know that letting a dead person occupy a ventilator and a bed, affecting others' chances of survival, is the real waste.
Shan Shan only had a fracture in her left upper limb; during this time she was able to get out of bed and walk. When she went to find her parents, the little girl unintentionally overheard the arguments among the elders.
Don't underestimate children, they're all smart and it's impossible for them not to understand adults at all. From the voices of her grandparents, Shan Shan discerned: Mom and Dad don't want Xiao Yu anymore.
