As the story develops you want Adam to kick the drug habit, which is so destructive, but as the other characters point out so frankly, what is the point life for these guys hardly looks attractive when played in real-time and horrible realism.
But accompanied with a controlled use of time and space there is some wicked writing here with some lines that stick in the head:
"Trying to decide what to do becomes a nightlong activity in itself, like some lousy postmodern joke."
A review to come on completion...