Gawain is under the chivalric code and Beowulf, of course, is not. Sir Gawain practices the five social graces of generosity, brotherly love, chastity, pure manners, and piety. When the Green Knight asks for a challenge, Gawain shows his bravery and humbleness by proclaiming that he is the weakest and the most expendable: "I am the weakest [of your knight], I know, and the dullest-minded, So my death would be the least loss, if truth should be told; Only because you are my uncle am I to be praised, No virtue I know in myself but your blood." (354 - 357). The idea that a person’s virtue might reside in their blood was a medieval one that justified systems of familial succession. Gawain uses this “weakness” tactic to show his true bravery and