Zhengzheng did not hear his mother. Even if he had, he would have just played along.
Ever since he could talk, his mother had made him take the blame for everything. He was used to it.
He figured that after giving birth to Lu Xiao'er and Lu Xiaosan, his mother went on to have Lu Xiaosi and Lu Xiaowu for three reasons: first, she wanted a daughter; second, his grandfather spoiled her even more than his maternal grandfather did; and third, she wanted more kids to help her take the blame.
Chapter 211