When the three witches told Macbeth their prediction that he was going to become king, he was happy and excited. Macbeth quickly became obsessed with becoming king and allowed Lady Macbeth to push him to unmoral limits, even though he knows that Duncan is a good man and a great king. Macbeth has no "spur to prick on his intent” or no motivation to create the murder until lady Macbeth is clever enough to convince him otherwise. Lady Macbeth says in act 1 scene 5 “unsex me here” because she wishes she could be manly enough to complete such a task. Macbeth's conscience began to haunt him after killing the king. He believed that Duncan’s blood had left a stain on his hands so permanent that "Not even all of Neptune's oceans could wash it off." In Act 2 scene 2.
In act 3 scene 4, Macbeth even see’s Duncan’s ghost sitting in his chair. Macbeth is going crazy while his wife tries to explain it to their guests and later questions his manhood.
Duncan wasn’t the only person in the way of Macbeth getting his throne. There are many innocent people along the way that end up losing their lives because of his desire for power. He would not let anyone stand in his way. Blood is an important symbol in the play. It shows through the many murders and the guilt the Macbeth’s felt after. In Act 5 scene 1 the guilt is haunting Lady Macbeth so bad that she saw her hands stained with blood and yelled, "Out, damn'd spot! Out, I say” and kept trying to rub it off until it was raw. They were beginning to realize their goals could not be