Series finale spoilers.

Many years following the War of the Bell, Equestria is at rest, the land is filled with creatures living in peace, and friendship and the elements of harmony rein supreme. Princess Twilight Sparkle has grown in both maturity and wisdom as well as power, and, as royal advisor, Spike could not be happier with his life.

If only there wasn't the once-a-year event which seems to hurt his princess and friend so badly...

Why does she keep putting herself through this?

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