What with having a job that's demanded all across the nation, especially in big cities, Rarity finds it difficult to live life in a small town. Yet, she's been managing all this time.

Time has passed by, she and Applejack have another child, their daughter has grown up and their family is more than content.

...however, when Rarity comes home from another business trip, the welcoming she gets is far from sweet and calm.

It's rude, and very blunt, but it makes her see things in a whole new light.