It means you are unable to move
The focus change is in the point of view; first, she thought that she did her first sale and was ready to do it, as nobody opened, she thought there was nobody at home. Then, she changed her point of view because she thought to return and that she wasn't a good salesperson, however, she knocked on the door again with a smile on her face.
Good Night, Moon was both illustrated and written by Clement Hurd.
First person! Because they are plural first-person pronouns.
Dally already has a lot of troubles with the police, so Cherry might get him in more troubles with the police.
