Final answer:
Beowulf's explanation for not leaving Brecca behind during the swimming race showcases his loyalty, friendship, and commitment to keeping his promises.
Step-by-step explanation:
In Beowulf, when asked why he didn't leave Brecca behind during a swimming race, Beowulf explains that he made a promise to stay by Brecca's side no matter what. He emphasizes the importance of loyalty and friendship, stating that he would rather die than break his promise. Beowulf's explanation highlights his character's commitment to honor and integrity.