hello I received my review form and got a month extension due to mental health workers schedule he filled it in with me at the doctors and said this will be posted with the others I have helped that same day , that was a week ago I have rang the pip helpline numerous times this week to keep checking they don't really seem worried it has not arrived yet and have extended it again until early December is this normal and what will happen if the post as lost it ,will they send out another or will my benefit be stopped ?its stressing me out