A US woman was watching a porn together with her boyfriend when she thought her boyfriend was one of the actor in the movie! 20-year old Amanda Moya furiously picked up a knife, pointed it right under her boyfriend's throat. The man ran for his life and at the meantime called for emergency service as her girlfriend chased him down the road. Eventually, the crazy woman was arrested and charged with aggravated assault and aggravated battery. Source: Ananova