Freddie in the movie is like a human yo-yo, mentally unstable, at the mercy of animalistic instincts and unwilling to live a straight life. Master, while priding himself as the superego human, finds connection with Freddie on the primal instinct level of human existence. What is LIVING then? In reality, Philip Seymour Hoffman is such a natural born actor. Too sad he was lost to drug abuse. But acting in itself is atypical living - killing oneself (metaphorically) and completely dissolving into another life. Maybe the ability to dissolve oneself is the key to good acting. Then what is LIVING?