Due to the lack of knowledge about the other branch of ponies there were many rumors and myths have been surrounded around them for thousands of years. The unicorn always was a mare who wanted the logical explanation about matters. She was often being compared to Twilight Sparkle in that manner. But where Twilight wanted to see it from everything, Rarity only wanted to know it of the unpleasant things. She allowed just that bit of mystery to be left within her life.