Sometimes a high functioning alcoholic can hide his addiction for years and years in his workplace he appears very professional in fact he's usually in charge but then even after many decades that old and filthy liquid narcotic will take its toll and eventually he comes for his payment in full and their once fantastic flying machines crash and burn in a spectacular blaze , bit like the Hindenburg disaster they have been sailing on by so majestically high in a clear blue sky then theres helium hiccup when one day they spark up a cigarette after filling up with ethanol and suddenly theres a terrible explode .