Different scary films get different reactions but all make me change habits, for example when I saw the Exorcist I stopped going to church as the vicar scared me.
When I saw the Hostel I got put of cheap hotels in Europe, as they scared me for the same reasons in the film.
When I saw Dawn of the dead, I stopped using Lidels Supermarket as the staff and customers started scaring me as they all work around that place in the same way