Hmm I'm sure you're season will pick up eventually, though there's a real risk you won't be playing champions league next year. How'd you become an Arsenal fan?
London is expensive if you're a tourist, I suppose like anywhere you know how to find things cheaper with a little local knowledge, I don't think it's too bad at all. However house prices and rental prices are simply ludicrous.
What uni would you be going to? There's a lot of good ones here.
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Velcro - what a rip off.