Spike and Rarity have been visiting Ember for years and their freindship has drawn close over this time, close enough that she even offers Spike a place in her harem. However there is only one problem, he is already due to marry the mare of his dreams, Rarity. How will the mare of his dreams react to news that the dragoness of his dreams has made him such an offer?

Written in two sittings for the suggestion blog over here.