´Tis safer to be that which we destroy than by destruction dwell in doubtful joy.¨ She is basically saying that nothing has been gained by committing these crimes; everything has just been wasted and it would be better to be dead like Duncan instead of live with uncertain joy.¨ This shows that Lady Macbeth's actions are starting to catch up to her. She is realizing that these acts are not taking her anywhere besides backwards. After these events, Lady Macbeth takes a turn for the worst as she hits her peak. At this point of the play she has succeeded in driving herself and her husband completely crazy. When Act 5 hits, she has gone so crazy that she starts to sleepwalk around the castle spilling the beans about the crimes her and Macbeth have committed. After Lady Macbeth walks off stage, the audience is informed that she has killed herself and will no longer be a disturbance to the characters or the audience. Lady Macbeth is the main cause for all the evil in this play. If Lady Macbeth was not in this play then Macbeth would not have turned into a murderer. Macbeth was in for a real treat after his wife called upon the spirits to come help them. Yes, Macbeth is grown enough to make his own decisions but he trusted that his wife was helping him make the right decision thus killing Duncan. By the end of the play they are both guilty of becoming evil