my bf is fucking cheating and theres nothing i can do bout it

im a 100% my bf is cheating on me and i even know who is but there's nothing i can do about it cuz i have such a strong emotional dependence on him and he also KNOWS how to manipulate me. i feel like a helpless dumb dog and i wanna fucking kill this guy, like, for real. i wanna kill him and fucking eat his flesh because I HATE HIM SO MUCH!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! I HATE BEING LIKE THIS I HATE I REALLY HATE THIS SHIT I HATE PEOPLE AND I FUCKING HATE HIM! I HOPE HE DIES SOON