As much as I hate watching this film, it drags me back to watch it over and over again.
I hate it because it's so depressing and surreal, and has such an awful emotional effect on you after watching it. Through the dingy atmospheric setting, It actually manages to drag the viewer down to the level of the junkie characters - confused and not understanding what's going on. The trippy sequences were so vivid they actually made me feel slightly ill just watching them.
I keep coming back to this film because of the way it expresses its point like no other film I've seen before. I have never been so emotionally effected by a film before, neither deterred and repulsed from a certain lifestyle before seeing this.
Everyone must watch this film at least once.