Please Read Below, I Really Need Your Help BADLY?

ok im 15, and my nan who im really close to is having a hysterectomy, and one of her daughterss my aunty is looking after , her when she comes out, and we just went to see her the daughter, and she has 4 kids, and we normally sleep over our nans on friday and my nan comes out of hospital on friday and my aunty will be looking after her in her house, the friday she comes out for about a week, and my other aunty will be coming down from brighton, which i havent seen in ages , and my nan said that me and the daughter with 4 kids cant go over to sleep but, because the daughter with 4 kids is looking after her the 4 kids are going to stay there on friday because my nan said to the daughter with 4 kids they can , and my nan said no to ME!! :(:(:( PLEASE HELP