The Fall Formal is over. The bully was beaten, and the strange but beloved pony princess girl then went home. A spontaneous sleepover is about to happen at Sweet Apple Acres, and so Rainbow Dash hitches a ride alongside AJ in Big Mac's truck.  Rainbow tries to process her feelings… as much about the events of that night, as other things. It is not an easy thing for her to do. For one thing, she is (after all) Rainbow Dash. But there's also how amped up Rainbow's feelings are in general, from dancing with friends, to trouncing a villain, to missing a new friend already… plus there are other stray and unsolicited notions. Still, Rainbow does her best to muddle through them all.  Meanwhile, the quiet, vigilant(e) romantic that is Big Macintosh is the one behind the wheel…