Tom never did the same sort of foolish things as Maggie, having a wonderful instinctive discernment of what would turn to his advantage or disadvantage; and so it happened, that though he was much more wilful and inflexible than Maggie, his mother hardly ever called him naughty.
"I can’t believe in you any more," said Tom, gradually passing from the tremulous excitement of the first moment to cold inflexibility.
Under these average boyish physiognomies that she seems to turn off by the gross, she conceals some of her most rigid, inflexible purposes, some of her most unmodifiable characters; and the dark-eyed, demonstrative, rebellious girl may after all turn out to be a passive being compared with this pink-and-white bit of masculinity with the indeterminate features.
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They accused her of being stubborn and inflexible.