" Shortly after you left the room, Bushell came over and spoke to your father. I was not near enough to hear what he said, but Maria Lucas told me afterwards that he had been -' (she smiled) 'amazingly impertinent.'
'Peter actually spoke to Papa?'
'He did. According to Maria, he had the impudence to criticise Mr Bennet for his treatment of you. I must say it gives me the most favourable idea of his character. "

― Jennifer Paynter , The Forgotten Sister: Mary Bennet's Pride and Prejudice