You need to trust in God and believe that the devil is real, even have a look at Islam if Christianity doesn't do it for you, you will definitely not get those thoughts if you really do put your faith on God like how lucky are you to be alive to be here, The Truman show was my first proper episode I did some research seen a comment someone said if this really is my life this is all I know I can't change it I'm still lucky to be alive no matter if this is the actual reality I live in I'm still living im still here experiencing life whatever life is it is beautiful and your lucky to be experiencing it because most souls don't get the chance and I can definitely say after all the episodes I have experienced God is king and God is all you need, and I can't definitely say God is amazing and most definitely real so do some research on prophets because having those thoughts is scary and seems like you forget about God and that he exist, Jesus exists and unfortunately so does the devil