- A "superbug" viral outbreak.

- Unforeseeable natural disasters.

- The social trend.

- Being strongly embarrassment and/or rejected.

- Getting old and unwanted.

- Religion taking over.

- Resource shortages. e.g. Peak Oil

- Making your life *count* for something.

- "A dependence on luxury and unnecessary technology / conveniences"

- "Governments taking our freedoms away, using poor excuses"