In Shakespeare's play Macbeth, Lady Macbeth is the main influence in Macbeth's life. In the beginning of the play, when the witches tell Macbeth of his promising future, Lady Macbeth is the first person he writes to. Upon hearing the witches' prophecy, Lady Macbeth wishes it to be true, hoping that she will become queen. That's when Lady Macbeth's evil side is showing (i.e. "Unsex me and fill from the toe-top full of direst cruelty!" (Act I, Scene V). Lady Macbeth wants to become strong enough to persuade her husband to kill Duncan.
Once Lady Macbeth brainwashes Macbeth into murdering the king, she begins to plan the murder. It seems like she planned the perfect murder. She wants to be crowned just as much as Macbeth, but she did