Fluttershy and Rarity are undoubtedly very close, but was Nightmare Moon's appearance the first time they'd spoken with each other? Perhaps there was more going on the day they got their cutiemarks than we know of.
To trick her parents into thinking she's straight, Twilight hires Microchips as a fake boyfriend. Without telling her real girlfriend. There's no way this can go wrong.
A recently transitioned Twilight Sparkle is going to attend the Grand Galloping Gala as a mare for the first time. But first, she has to make it through coming out to her family.
Zephyr Breeze announces to Rainbow Dash that he's been seeing someone, and no longer has any interest in pursuing her. Rainbow Dash is initially relieved.