With the food at my school, I'd save it up...
If you like, I could give you a long, ranting description of the food at my school.
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I also forgot to mention that, as my parent's are divorced, I only get to see my Dad once a week or once every two weeks. He works in the Film/Television industry and is usually away doing the catering, he meets a lot of famous people though. Anyway, when he does see me, he always gives me £10..
So, £10 from no school lunch, 10 from my Dad as it is rare I don't see him once a week.. £20 a week!