In the first paragraph, while you effectively discuss Lady Macbeth's guilt and its impact on her character, you could enhance your analysis by exploring the implications of her sleepwalking more deeply. Consider discussing how her sleepwalking symbolizes her mental state and the consequences of her actions. Additionally, when mentioning the metaphor of 'the perfumes of Arabia,' you could elaborate on the significance of this imagery in relation to her inability to escape guilt, perhaps linking it to the theme of guilt's permanence.
The essay presents a clear understanding of Lady Macbeth's character development, particularly in relation to guilt. The use of textual references, such as the metaphor about blood and the allusion to Neptune's Ocean, effectively supports your interpretations. The analysis of her initial strength and subsequent decline is insightful and aligns well with the question.
To achieve a higher mark, you should provide a more balanced exploration of Lady Macbeth's character throughout the play. While you highlight her initial strength and later guilt, it would be beneficial to discuss how her character's change affects her relationship with Macbeth and the broader themes of the play. Additionally, consider integrating more textual evidence from earlier acts to support your claims about her transformation.
Overall, this essay demonstrates a solid understanding of Lady Macbeth's character and her changes throughout the play. The analysis is generally well-structured, with relevant textual references that support your points. However, to reach a higher level, you should aim to deepen your analysis of the extract and provide a more comprehensive exploration of Lady Macbeth's character arc, including her relationships and the thematic implications of her changes.