While Twilight is away at a sleepover at Rarity's boutique, Sweetie Belle spends the night with Spike at the library. Spike plans to use this to his advantage, and finally tell Sweetie Belle that he loves her.
After going through so much, it's nice to have some quiet times. But quiet does not mean uneventful. Even in times of peace, ponies change, ponies grow, and ponies learn...