He accepted that anyone who dares to host a party will be left with a big clean-up in the morn, but even so, he was dismayed and really quite angry to find that among the cans, the bottles, the sticky spillages, the improvised ashtrays and the hundreds of discarded nitrous oxide canisters, his so-called friends had also left not one but twelve full logs of poo, four times as many nuggets and, yes, a whole wall decorated with an almost impossible number of bogeys.