As he uttered the last word, Gu Nanfei's face was contorted into a demonic grin. "This is the final time. Take more blood! After the surgery, my son's body will be very weak and need plenty of blood to nourish him.",The blood bag is full, and the withdrawn dosage has exceeded the blood donation amount for an adult.,Obviously, three-and-a-half-year-old Xiaoning still doesn't know what the heart represents.。