Let's just say your luck with the mares isn't all that great, two months in Ponyville and you've had your heart stomped on more times than you can count. That coupled with the fact you've lost your job, your house, and have barely enough bits to feed yourself means your life isn't exactly going so great. And after another botched attempt at a relationship you're ready to swear off of the whole dating game for good.
But after a night of drunken debauchery you awaken to find yourself in the service of Ponyville's premiere fashionista, you're willing to forget your previous pledge to the single life after she proves herself to be the kindest and most generous pony you've ever met, but only time will tell if she'll be your future lover or the next in line of a long list of mare's who you'd rather forget.

Celestia and Luna were born as unassuming foals in troubled times. But already marked for greatness, the simple earth ponies stand to face a world set against them, full of danger, fear, and sadness. A world they will change forever.

A sweeping epic taking place before Equestria was made, where Celestia and Luna must rise from normal foals to become the Princesses we know them as, beset from all sides by monsters, other ponies, and even the forces that govern nature. Their tale is as tragic as it is triumphant.

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(Cover and internal art by Madmax)
(Editing credit predominantly Lightside Luc)

This story is a sequel to A Stitch in Time

Having discovered the message left for her by Star Swirl the Bearded in the distant past, Twilight once again finds herself caught up in the middle of a struggle against forces far greater than herself. In order to even stand a chance she'll need to travel further and wider than she ever has, and forge some unlikely alliances with old enemies. All to bring down the powers that have manipulated and shaped her entire life, and retake control of her own future.

The conclusion of the Time Loop Trilogy, which began with Hard Reset
Available in Spanish thanks to dgs1993
Series TV Tropes page

This story is a sequel to Hard Reset

After the events of Hard Reset Twilight's life and mental well being are slowly returning to normal. Her recovery is cut short, though, when a letter arrives informing her that the time loop spell she cast is causing severe damage to space and time itself. In over her head, Twilight tries to summon anypony who will know how to fix it. The pony she gets is the last one she ever thought she would meet... and nothing like she expected him to be.

Available in Spanish thanks to dgs1993
Series TV Tropes page