3.5. Thought more about this and I was wrong. Much of the reminiscence and introspection in nature are still indie nonsense but the premise and the ending capture and anticipate post-2008 anxieties and sense of being lost remarkably well.
The key perk of friendship is people just drifting apart without ruling the relationship boring or worn-out, and then they might as well get back together for some mutual benefits -- a casual cycle.