How to Stop Yourself From Working on Problems Past the Productivity Half Life?

How do you stop yourself from working on problems past the productivity half life? I was training in neral net work, and after i set everything up, the data was corrupted. How do istop this self destructive habit from ruining good days? This is definitely a tendency that the human brain has when you're locked in on something complicated or interesting. Give yourself just two or three minutes in a different location,. walking very fast, moving away from where you were. Suddenly the spell is broken.