How to Get Ending 9 — What Goes Around Comes Around

Requirements

• Have the knife.
• Use it at the final decision.
• Refuse to put it down / stab Mrs.
• Interest must be below 5.

Step-by-step

1. Keep Interest low with neutral choices.
2. Pick up the knife in the kitchen.
3. Finish the main activities without using the keyword.
4. At the final knife choice choose 'Yes' to use the knife, then 'No' to putting it down.
5. With Interest <5, Ending 9 triggers.

If you get a different ending

• At Interest 5 or higher, the same stabbing choice gives Ending 10.