This proverb highlights the negative attitudes of a person who acts poorly or unjustly, especially within the family. In this case, it refers to a wife who not only behaves foolishly but also harbors grudges or bitterness twofold. The proverb emphasizes the impact of holding onto such negative feelings, which can affect both oneself and others around them. A similar English proverb might be ‘Better a wise woman than a resentful one.’