Persuasion by Jane Austen Chapter 6 Page 6

As to the management of their children, his theory was much better than his wife's, and his practice not so bad. “I could manage them very well, if it were not for Mary's interference,” was what Anne often heard him say, and had a good deal of faith in; but when listening in turn to Mary's reproach of “Charles spoils the children so that I cannot get them into any order,” she never had the smallest temptation to say, “Very true.”

One of the least agreeable circumstances of her residence there was her being treated with too much confidence by all parties, and being too much in the secret of the complaints of each house. Known to have some influence with her sister, she was continually requested, or at least receiving hints to exert it, beyond what was practicable.