Out I say one: two: why then it is time not to do it. Hell is troubled! Fi, my lord, fi! A soldier and a feared one? What do we need to fear who knows when no one can hold our power to account? But who would have thought that the old man had so much blood in him?)” (5.1.35-40). Here, Lady Macbeth talks in her sleep (sleepwalking) and while she is sleepwalking, she rubs her hands as if trying to wash them. But it's King Duncan's blood she's trying to wipe away. Even after the day she ordered Macbeth to kill the king and bring the blades back to the corpse, she still has blood on her hands, even in her sleep. The pressure in Macbeth would be the amount of guilt and rejection for what you have done, such as "It is a sorry sight" (2.2.18). Here, Macbeth looks at his bloody hands moments after killing the king. Macbeth feels a little sad and sorry for killing his old friend and person he served. Then “No, it’s my hand that prefers; The countless seas are incarnate, turning green red” (2.2.57-60). Here Macbeth asks if all the water in the world could clean his bloody hands. Macbeth hates himself for his actions, regrets what he has done and does not want to return to his “old friend”. Another reason to fear would be,