For Twilight, her relationship with Rainbow Dash couldn't be better. She can't help but be happy whenever they're together, and the usually abrasive pegasus has shown her softer side. Recently, however, Twilight's started to notice that there's something on Rainbow's mind. Something bothering her about their relationship, and Twilight's determined to find out what it is. The answer she gets might just confuse her more.

After all, when it comes to something as subjective as emotions, there's no handy reference guide to tell you how you're feeling.