The only thing I can see that it represents is someone who won't let others decide her prejudices, her likes and dislikes.
It takes mental discipline to push away the dross of childhood or familial nonsense in order to take on the world on your own terms.
Yes, that sounds like Audrey. But it also suggests that Mr. B. may not be *entirely* as white-bread as he appears to the public. Which is great, as long as he continues to vote against tax increases, gun control, and other bad state-government stuff.