The audience first encounters the character of Lady Macbeth in act1, scene 5, while she is reading the letter sent to her by her husband, in the letter Macbeth describes the meeting with of the three witches, and them predicting the fact that he is going to be 'Thane of Cawdor', we can tell from the letter the closeness of relationship, Lady Macbeth and her husband have as he addresses Lady Macbeth as; "my dearest partner of greatness", that thou mightest not lose the dues of rejoicing". From then on in the play, she shows herself to...
parts of the guilt that were over powering.

Throughout the play Lady Macbeth shows a front to all people, she is acting it is all just to cover up the fact of how decieveing and insecure she is. For example when she was playing the "Honour'd hostess", she was deceiving the public, in order to be deceiving, and also when they had the banquet, Lady Macbeth made a cover for Macbeth, just so that nothing would happen to her lifestyle as being Queen. In the end we are shown that Macbeth is really the stronger person, mentally and physically.