What if I do not?b Everyday without any changes, but the steps toward school are lighter b In fact, there was no difference. But now the door is not heavy to go to school. br And now I know how to be happy with the door. Run with my friends, hang around, hang out with my eyes, wait, hear, feel, cry, happiness is close. This book helps lonely and weary children find their own vigor in their daily lives. Warm stories, emotional messages come to childrens hearts with beautiful pictures. As you follow the footsteps of the door, you will have a tired mind for your children, a small margin in your daily life, and a smile and joy in place.