Lady Macbeth was incredibly strong and ruthless. She is portrayed as masculine and unnatural. At the start of the play she is already plotting the murder of the character Duncan, and she is trying to get her husband on board with it. Everything was going fine for Lady Macbeth, her husband killed Duncan and became king she had everything she wanted however, as the play progresses Lady Macbeth loses power over Macbeth. This and her guilty conscience eventually leads to her demise.
Lady Macbeth loves and admires her husband , but she also knows he is not as strong as she is. Her ambition and desire to be queen fuels her idea to kill the king. She came up with a plan and she needed her husband to go along with it to succeed in her goal. Lady Macbeth starts to persuade her husband to kill Duncan but fears he is "too full of the milk of human kindness to catch the nearest way"(Macbeth Act 1, scene 5, 15–18). She uses every method of manuliaption in her power including calling his manhood into question, and eventually Macbeth agrees to go along with her plan. He feels he must prove his manhood to her. Subsequently Lady Macbeth tells her Husband about the plan which was to wait until Duncan sleeps, give his chamberlains wine to make them drunk, and then she and Macbeth can slip in and murder Duncan. Finally, they will smear the blood of Duncan on the sleeping chamberlains to make it seem like they are guilty. Macbeth begins to chicken out and he even told his wife that he could not