Dong Yuhui said: When the child lacks self-discipline, tell him about the lazy bird effect! Dong Yuhui said: When the child lacks self-discipline, tell him about the lazy bird effect! Dong Yuhui said: When the child lacks self-discipline, tell him about the lazy bird effect! Dong Yuhui said: When the child lacks self-discipline, tell him about the lazy bird effect! Dong Yuhui said: When the child lacks self-discipline, tell him about the lazy bird effect! Dong Yuhui said: When the child lacks self-discipline, tell him about the lazy bird effect!
