;/ It is too full o' the milk of human kindness" and is prepared to accept them and if necessary take the initiative by killing the king herself: "you shall put/This night's great business into my dispatch". This also shows her devotion, love and commitment to him: they see their future together: he says, "of what greatness is promised thee", and she says, "Glamis thou art, and Cawdor; and shalt be/What thou art promised." At this point in the play, Lady Macbeth shows her strength of purpose by calling on the spirits of evil to "unsex me here", and to rid her of any womanly compassion in order to carry out the murder of Duncan.
             The first major threat to their relationship is Macbeth's change of mind about killing Duncan: "We will proceed no further in this business" in Act 1, scene 7. This challenges Lady Macbeth's dominance in the partnership. Ironically, it is their shared love that she uses as a weapon to regain dominance: "From this time/Such I account thy love." Her aggressive and determined nature ("then you were a man"; "Have pluck'd my nipple from his boneless gums,/And dash'd
             ...