Do you know the mare? So many believe they do. A single glance is more than sufficient to teach them everything. And given that they now know everything, there's clearly no need to make any further inquiries. She is what they've decided her to be. No more, and it would take quite a bit of effort to create any degree of 'less'.
Do you know the pegasus? The mailmare, the single mother, the incompetent, the town's lowest-flying joke? Is that what you've told yourself?
Do you know her?
You don't.
(Part of the Triptych Continuum, which has its own TVTropes page and FIMFiction group. New members and trope edits welcome.)
Now with author Patreon and Ko-Fi pages.
While this story is tagged as a sequel, it's just following up on her previous appearance there: no knowledge of that piece is required.