How does Liesel react when she realizes the mayor's wife saw her steal the book from the bonfire?

When Liesel realizes that it was the mayor's wife who saw her steal the book, she is terrified of being turned in. She stops going to the mayor's house to pick up laundry for as long as she can. When she can avoid the family no longer, she brings Rudy with her for moral support, but is shocked when the mayor's wife does not accuse her of theft.