Did someone succeed in living on air only?

As usual, at the end of the month the rent has to be paid so that is the time when I am running around to get money from my German account via a cash machine. Then I have to pay in this cash at the post office. Of course there is a fee on withdrawing the money from the German account as well as when paying it in at the post office since I don't have an account there. One more month I can manage like this then my savings are used up (luckily I have a Mum who could support me - poor people who don't ). Last week I was told that I will get the money at the end of May (one more day left and for some reason I have the feeling that my post box will be empty tomorrow). So I guess I have to practice how to live on air only.