Sunset never really had the time or the interest in dating ponies. She's the worst when it comes to talking about emotions. When she finally comes to the conclusion she likes Silverspeed, she freaks the heck out.
Sisters argue. A lot. Flitter and Cloudchaser are no exception to this. After having enough of her sister talking about herself, Flitter goes on an adventure to find her place. To her surprise, she finds a unicorn and a dragon on the exact same quest