I hate my best friend?

Ok so i think i hate my best friend. she weighs about 80 kilos and i weigh about 60 and shes always complaining to me about how fat and ugly she is and how i should help her get a boyfriend (even though she doesnt even like anyone) and then turns around and tells me she doesnt care about me and my problems and I have to help her first. She also used to like my boyfriend and keeps on whining that i stole him off her even though he never liked her. Shes really bossy 2 and makes me do all this stuff for her like give her my lunch coz she doesnt have any ( but shes toold me before she could pack her own but she cannt be bothered0 and whenever i suggest something she says 'no, we have to do it MY way'. but she is my best friend and I dont want to hurt her feelings cuz she can also b really nice and fun to be around. What dO I Do!!