Although his decision was greatly influenced by Lady Macbeth, Macbeth would have chosen not to kill Duncan had he been more humane; it also cannot be Lady Macbeth’s fault because he was the one who actually committed the murder. Before he had encountered the witches, Macbeth had a hidden desire to become king, and he had just not realized it. After murdering Duncan, Macbeth tried to reassure himself that he did the right thing by thinking that the witches foresaw him becoming king, and that Duncan would have died either way; based upon that, Macbeth thought that he might as well speed up the process of him becoming king. If he was a good-hearted, kind person who truly was forced to murder his own king, then Macbeth would have tried to make up for his crime somehow, or at least try to change his character and become a good person. However, the fact that he believed that his actions were justified shows that Macbeth was the most responsible for his…