Not sure how we can debug it. It seems the simulation is sensitive to
1. When you start each circle
2. Length of the wires
It would be neat if actual numbers were shown and rates could be adjusted via a hard reset.
I was messing with a procrastination model in https://bit.ly/2ZPNXdo .. it seems if you are not feeling good and you procrastinate less, things improve over time. To test this, decrease the feel good and then decrease procrastination.