Final answer:
Gawain is portrayed as vain and abusive in some Arthurian literature due to his pride, obsession with personal glory, and questionable moral decisions.
Step-by-step explanation:
In some Arthurian literature, Gawain is portrayed as vain and abusive due to the influence of certain character traits and plot elements.
For example, Gawain is often depicted as being proud and self-centered, which can be seen in his obsession with his own reputation and personal glory. This vanity leads him to make selfish and abusive choices, such as seducing or taking advantage of women he encounters.
Additionally, some Arthurian stories highlight Gawain's flaws and failures, such as his inability to resist temptations or his questionable moral decisions. These portrayals serve to highlight the complexity and flawed nature of Gawain as a character.