 She told her husband that they have to at least knock, but they don't. He won't stand up for her on this and doesn't see the big deal. Her job requires her to drop everything and leave when she is needed, so often things aren't clean when she goes to work. She often gets comments from her mother-in-law on this, go figure, but she can't help it. Her husband also takes his mother's opinions on things over hers.