Filthy Rich always thought he was a good father to his daughter and a good husband to his wife. Sure, his wife was stricter towards Diamond than he liked and Diamond was terribly unfriendly, but he never realized how far things had gone.
Until one terrible day.
(Contains domestic discipline, spanking, foal abuse, an angry-beyond-all-reason Filthy Rich. Also, Filthy doesn't have a character tag for some reason?)

Long ago, a vow was made, blood was shed and a bond of eternal sisterhood was forged between Rainbow Dash and Fluttershy. These are stories of their sisterhood.

Dash has a much needed talk with Scootaloo about her reckless behavior and several other things (contains semi-consensual, disciplinary spanking)

While Rainbow Dash is hanging out in her crush's orchard one day, she sees Applejack doing what looks like a courting dance.
(I'm sorry, this idea wouldn't leave me alone. Spoilers for "Applejack's Day Off")

At a dinner party, Twilight sees Celestia being insulted by one of the guests. She launches into action, defending her Princess's and lover's honor. But Celestia doesn't appreciate it.

Cadence has come down with a terrible flu. Luckily, one pony is always there for her.

Twilight Velvet and everypony else that cares about Twilight is worried about her. After finding her passed out in her tower she decides to put her hoof down.

Lately, Spike has become a recluse. He won't go out. He won't try new things. All he does is stay inside the library. And Twilight has had enough.
(Used to belong to a longer series. Not sure what to do with it since I took down the series it was part of, but I liked this chapter. Now it's a one-shot. Might continue it.)

The Sparkles are a very old Canterlot family. Like any old family they have traditions. One of these traditions is that a Sparkle must do noble deeds to win their love-a tradition going as far back as Sir Prancealot. These are the noble deeds Lady Twilight Sparkle did to win the hoof and heart of Princess Celestia.

Now has a sequel! (https://www.fimfiction.net/story/362471/seasons-of-the-heart)

Every week Twilight has had a slumber party with the Mane 6. On one such sleepover she experiences an unexpected magical surge. To comfort her her friends share embarrassing stories from their own lives.