Lady Macbeth receives the idea that her husband should kill the king after reading a letter from Macbeth describing the witches' prophecy. The prophecy states that Macbeth will become king, leading Lady Macbeth to convince him to take action and seize the throne.
She talks her husband into killing Duncan.
She plans to get her husband to stab him in his sleep.
Lady Macbeth talked Macbeth into killing his cousin, King Duncan of Scotland, who was a guest in his house at the time.
She faints. Killing the servants was not part of her plan. She now is beginning to realize that she has opened a can of worms by talking her husband into committing murder.
she talked him into killing the King by accusing Macbeth of being weak and cowardly
The reaction between Lady Macbeth and Macbeth is initially very different after they kill Duncan. Lady Macbeth is enthusiastic but Macbeth regrets his actions.
I do not believe there was such warning. Lady Macbeth and Macbeth were husband and wife- they were partners. No warning would be needed.
Lady Macbeth's plan is to manipulate her husband, Macbeth, into killing King Duncan so that he can take the throne. She encourages Macbeth to be ruthless and ambitious in order to achieve their goal of becoming king and queen. However, her plan ultimately leads to their downfall as they descend into guilt and madness.
In the end, Lady Macbeth cannot cope with the guilt of killing a man coupled with the fear that her husband will kill her in turn. She loses control of her faculties, sleepwalking and muttering, and, at last, kills herself, presumably by jumping from one of the towers.
The difference is that Lady Macbeth at first wanted Macbeth to kill Banquo and Macbeth was too scared to do it. Later on in the tragedy, Lady Macbeth gets haunted and gets mentally ill and Macbeth keeps on killing people.
Because you don't mess with Lady MacBeth
she warns her husband to disguise his fear and deceit