I wish I knew, when I eventually answered the door on Saturday morning in a state of disshevelment and near undress after about 4 or 5 rings over a period of 5 or so minutes thinking it must be important enough to get out of bed for, only to be met by a couple selling God, they stated "oh I'm sorry to disturb you when you are doing the cleaning"! I said "eh I wasn't cleaning" they then proceeded to tell me about how This post will be deleted if not edited immediately had saved them and could do the same for me. The surreal vision in my mind of me cleaning on a Saturday morning when there was a lie-in to be had was the one highlight of the conversation.