What started as a pleasure becomes a need; what was once a bad mood becomes continuous self-indictment; what was once an annoyance becomes persecution. This process of neural sensitization occurs, and grows stronger, over the course of a lifetime. It becomes increasingly difficult for us to resist its pull. Eventually, what captures us can become so concentrated and overwhelming that, in its most drastic forms, it feels as if we are being driven by something outside our control. While capture
