This reliance upon the magicalbelt calls his courage into doubt as well. 베르틸락 영주에게 벨트를 넘기지 않고 계속 가지고 있는 것은 그가 용기에 실패했음을 보여줍니다. The Green Knight observes that Gawain fails in his courage and his troth, so this is also quite clear to readers.