How do you un-hypnotize someone?

My friend is hypnotized every time right after she goes to church or youth group she comes back and emails all her atheist friends hateful CONVERT!!!!!!!!!!!!!!! letters implying that all of us are going straight to hell and she has to save us. then shes sick for like 2 days after the emails its a cycle ever since her mom converted her from biuality. i think she may be being hypnotized how do i undo it i want my friend back plz!!!!!!!!!!!!!!!!!!!!!!!