There is some dispute between Kate's and Yuna's husbands, in defending their respective man, tried to reason with the other. But in the end, just like any conflict between women, none could convince the other and none is willing to forgive the other couple.
The two elegant and proud wives challenged each other to a real women's duel, but the two husbands don't want their wives to be engaged in an all out kind of fight with great potential risk of physical injuries.
After some negotiations, the two couples agreed to a Wife vs Wife foot smother duel.