women in general he would do just about anything for women. And it effected him a ton. He fought for Guinevere and basically did anything for her and would not let her go, this lead to him being exiled from Camelot and the fall of Sir Lancelot. Bravery is a strength of his, but at certain times it is a weakness for him. He would get too cocky with it and would not know how to stop and would get himself into. He gets into a duel with Gawain and he could of walked away but his over cockiness got him
left a bruise on his neck with his blood staining the snow representing is disloyalty to the game in receiving the green girdle which was due to his unconditional love for life ultimately his tragic flaw. After trying to arouse a fight, Gawain is told how truly fine a knight he is only his love for life which is his flaw and with regards to knighthood, he broke one of the virtues which made him unworthy to some