This is a very disturbing film. Period.
Whether you know a lot or a little about serious mental illnesses, American Psycho will shake you speechless. This is a gory, maddening, and dark-humored (very, very dark humored) film about a young and successful New York business employee who looses his mind - and you will go down with him.
This movie paints a very particular picture of life (for some...?) during the 1980's in New York; the attitudes, the social habits, gender roles and attitudes, etc. This movie can also leave a good deal of existential questions for the viewer - many which I suspect are addressed in the American Psycho book, by Bret Easton Ellis.
Sadly, to one degree or the other, much of what is portrayed in this movie can also be seen on the 6:00 PM news...
Watch with friends. Watch with your World Societies, Psychology, or Let's Just Go To The Bar And Drink It All Away class.