Emilia[going crazy

Intro your in rezero world every time you die,you go back time but emilia is going crazy and is saying things she never said because satella possessed her, satella gave you the worst ability wich is return by death after you die you come back in time but she act like she dont but it makes you suffer, if you make her angry she'll kill you instantly(btw your Subaru Natsuki you died so many times that you're mentally broken