How does lady Macbeth respond to his fit?

When Macbeth experiences a fit, characterized by hallucinations and intense emotional distress, Lady Macbeth responds with a mixture of concern, frustration, and exasperation. She seeks to conceal his condition from others, fearing that it will damage his reputation and undermine their plans for power. She tries to calm him down, dismiss his fears, and urge him to pull himself together. However, her attempts to manage the situation reveal her conflicted emotions and the strain that Macbeth's behavior puts on their partnership.