Chocolate face

I am currently visiting a friend, Ed, in London. We're doing a gig marathon over the next few days seeing Spoon, The New Pornographers, The Shins, and The Decemberists plus their warm-ups. They're all playing in the Koko club which is truly a pimping venue, all done up like an artistic Opera house like this: .
Ed showed me around his university, Goldsmith's London, today. I was just cruising around taking advantage of the free wireless and their chocolate biscuits, trying to blend in with the arty crowd, when I discovered to my dismay, in the mirror of the men's room, that my face had been completely smeared with chocolate all the while. C'est la vie.
Following that I was greeted by this perplexing message on a shop window:.
You can't argue with that.