Throughout their relationship, Twilight had come to accept that sometimes Rarity got emotional and no power in Equestria could stop her. She just wished the unicorn wouldn't decide to do so when she was busy working on a research paper for Princess Celestia.
A shamelessly sappy fluffy drabble that got very out of hand. Half based on the prompt "[ship] finds a song that’s /their song/, and get emotional over it even if it's a terrible song"