Due to her pregnancy, she was used to sleeping early, thus she would fall asleep right after dinner, which meant she wouldn't be able to attend the real party, because it would only commence after dinner time.
That was why she was very upset, knowing the southerners usually held parties from morning to morning. That was their custom, after all. Along with an endless sex marathon.
Sofia wanted to use this as a chance to relive her passionate night with Cane. She really missed the way he manhandled her.
But, the party would start after dinner, let alone with no sex and neverending alcohol? What kind of party was that?