My older sister still curses at me. how can i stop this? it makes me feel low?

i'm tired of her telling me to go suck a d ick. she calls me a penny cent hoe, *****, slut. today she told me why don't i go suck the neighbor's di ck because " he sure ain't getting it from his wife." i'm not a . i'm not promiscuous. i told her not to talk to me that way, but she just says"fvck off, or fvck you, shut the fvck up bit ch"