Fang Yusheng's face darkened after hearing the old lady's words.
He cast aside his respect for the elderly and directly said to the old lady. "Old lady, your grandson's IQ is low not because of his mother's cesarean section. It's because your natural-born son's IQ was low to begin with. We, husband and wife, have high IQs. The children we will have after surgery will have equally high IQs. There's no need for you to worry. Also, your family is poor and doesn't have money to eat milk powder. My family has…"
This left the old lady speechless.
Qiao Jiusheng wanted to laugh, but she was afraid that she would make the old lady faint from anger.
She tugged at Fang Yusheng's hand and persuaded him. "Yusheng, stop talking."
Fang Yusheng snorted and did not continue.