Hu Xiaotian said, "This warm water is for soaking your hand. Otherwise, your blood vessels will constrict in a moment, and the blood won't flow out."
Seeing more and more blood collecting in the copper basin, Hu Jinniu asked in a trembling voice, "Fellow Hu... how much more do you need?" Now that he knew fear, he had actually begun trying to cozy up to Hu Xiaotian.
Hu Xiaotian said, "Don't rush. Generally speaking, blood accounts for eight percent of a person's body weight. You weigh two hundred jin, don't you?"
Hu Jinniu shook his head. "One hundred and eighty!"
"Let me work it out. That means you have fourteen jin of blood in your body. In my experience, you only die after losing two-thirds of your blood. In other words, you'd have to lose almost nine jin before you'd die. We've drawn less than half a jin so far. Relax. You won't die anytime soon."
Although Zhou Wenju knew Hu Xiaotian was toying with Hu Jinniu, he still admired his extensive medical knowledge. He had never imagined someone so young could know so much, even calculating how much blood a person had in his body. How could he have known that Hu Xiaotian had studied Western medicine and possessed an exceptionally solid grounding in human anatomy and physiology?
A healthy person generally gave no more than four hundred milliliters of blood at a time, but Hu Xiaotian drained nearly two jin from Hu Jinniu, an estimated one thousand milliliters. Only then did he stop the bleeding and suture the wound. By now, Hu Jinniu was deathly pale, and both his legs had gone weak. As Hu Xiaotian stitched him up, he felt as though he had escaped death's jaws. The brutality and hatred in his eyes had vanished as