Loathing - The intellectual, left-brained impulse, Loathing is being disgusted with one or many who will confrom to society, stop being an individual, stop living, stop creating, and simply drop into place as a cog in a terifyingly harmless machine, harmless but pointless and soulless. The disgust that anyone's desire to "fit in" could become so powerful that is will destroy whatever it is about you that makes you you and not someone else, or anyone else. Or simply, hating normal people. Loathing pushes you deeper into the often drug-induced journey away from mankind at his most banal and regular towards the outter bounds of humanity, it is what, to borrow from Aldous Huxley, pushes you to open the doors of perception.
Fear - The instinctive, right-brained impulse, Fear is the recognition of the inherent danger of opening the doors of perception, the nauseating sensation that "I've gone to far and won't make it back," the trepidation one feels before cutting the umbilical cord of sanity, the perception of being deeply and truely fucked. Fear is what drives you towards the warm, familial essence of family and humanity, away from hallucinations, panicky disorientation and insanity in general.
Trying to reconcile these two impulses within the city limits, could fairly and accurately be described as "Fear and Loathing in Las Vegas."
There you have it, in a large nutshell.
-Ben
p.s. - Zeppelin is killer, essential to life.