According to mott and ditzy it you don't believe in demons then you arejust acting on faith.
http://m.youtube.com/#/watch?v=EDpp9UWVjsQ&desktop_uri=/watch?v=EDpp9UWVjsQ
http://m.youtube.com/#/watch?v=EDpp9UWVjsQ&desktop_uri=/watch?v=EDpp9UWVjsQ