The Power Shift Between Macbeth and Lady Macbeth
Lady Macbeth starts as the dominant partner, but her reign of control crumbles spectacularly by the play's end. She attacks Macbeth's masculinity early on, calling him "Too full o'th milk of human kindness" - but this aggression actually reveals her own deep insecurities. She lacks his natural compassion and desperately needs to control him to feel validated.
Her manipulative nature becomes crystal clear when she boasts about using "the valour of my tongue" to influence him. The word 'valour' means bravery, showing how twisted her moral compass has become - she genuinely believes that manipulating someone into regicide (killing a king) is courageous behaviour.
Shakespeare might be using Lady Macbeth's character to express his own moral views. Her dramatic downfall from powerful manipulator to the broken woman crying "out damned spot!" serves as a warning to audiences about the consequences of evil actions. In Jacobean society, going against God's wishes was considered one of the worst possible crimes.
Key Insight: Lady Macbeth's initial power over her husband proves completely futile - the very 'kindness' she mocked in Macbeth becomes his salvation whilst her manipulation leads to her destruction.
The irony is devastating: Macbeth's supposed weakness (his conscience) actually keeps him alive, while Lady Macbeth's perceived strength (her ruthlessness) destroys her completely.