Banquo is Macbeth's friend and war companion, but Macbeth thinks that Banquo suspects him of killing Duncan, so he decides that he must be sent away. When Macbeth tries to convince two men to murder Banquo, but they are not convinced, he sarcastically insults him by saying, “Yes, in the catalog you go for the men; / Like dogs and greyhounds, mongrels, spaniels, hounds, / Shoughs, water-mats and half-wolves, are called / All by the name of dogs" and goes on to insult their masculinity and their rank in society (3.1.90- 94) He elaborates by telling them that if they truly wish to be men, they must kill Banquo This resembles how Lady Macbeth treated Macbeth, linking the idea that masculinity and cruelty seem inevitably linked More. Later, when Macbeth organizes a banquet of all his friends, Banquo's ghost only appears to Macbeth. He begins to become agitated, making a scene in front of their friends and feeling guilty when Lady Macbeth insults him. again for his weakness and asks him: "Are you a man" (3.4.57) Later, she goes on to tell Macbeth that he is behaving like a stupid woman, and not at all like a man? . because he is afraid and makes noise When Banquo's ghost reappears later, similar to Lady Macbeth, he becomes more manly and confronts the ghost by issuing a challenge: "What man dares, I dare" in. this Macbeth proves his fearlessness and he is accepted as. a man by his wife (3.4.98). These exchanges between Lady Macbeth and Macbeth continually reinforce the theme of masculinity and its connection to violence and violence.