Following what happens at Canterlot High School thanks to a certain user who caused her friends to cut her from their group, and most of the students blame her for something she didn't commit, Sunset Shimmer can't think of a better idea than to enter on hunger strike.

It will not be one of her best decisions, but the flame-haired girl chose to refuse to eat food until the person or people responsible behind Anon-A-Miss come forward and take responsibility. The problem is not whether this measure will be enough for three certain young girls to reconsider and understand that what they did is wrong, but rather how many days the former unicorn's body can endure without eating or drinking.

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What if they just don’t confess?

On average: 5 for food, 3 for water.

7934161
Well, either of these two outcomes:

• Sunset will resume eating food knowing that she failed with her main objective.
• Sunset will continue with the hunger strike until the last consequences, and after the worst happens the Crusaders will confess although it would be too late.

7934178
That's true. And I don't think there is a living being that can last so long without having something in its stomach.

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7934248
You can actually survive longer without food, between 8 and 21 days according to Google. So she could give up on the no water and keep going with no food for a while.