There was a rule in town once, I mean in Oslo, that if you wanted to buy alcohol, beer, in a shop, and it must have been after a certain time in the evening, you had to buy food or something else for as much as the beer cost. The place where it meant something for me, I think, was the Jens Evensen supermarket which was then at Grønland, at the subway station, because it was open late, I think until 10:30 pm or something.