Move out...take everything thats your with you....go to police and get restraininig order...send her a letter saying :
"'ive decided to move on with my life, i suggest you do the same..if you need to contact me you can do so through my lawyer..if you choose to contact me personally i will be forced to take wahtver legal action the attached restraining order i am due, thank you have a nice day..PS yes..i did fuck your sister at the halloween party last year

"
