A/N: The challenge was to write a drabble in which Snape should have known better.
Disclaimer: Harry Potter, Severus Snape, and all their associates are characters belonging to J.K. Rowling. I claim no rights to them, their surroundings, or their situations. Much to my sorrow.
Don't Ask
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Snape sat, head in hands, glaring with an expression of ferocious animosity at the preturnaturally attractive transfer student with the flowing golden locks and highly abnormal, violet eyes--who in one breath had just claimed to be Harry Potter's twin sister, the Heir of Gryffindor, an untrained but powerful Legilimens, and Ron Weasley's One True Love.
Any other student would have taken the hint and retreated with all expedient speed, but not this monstrosity. She appeared ready to prattle on at him until he expired of age or acute diabetic shock.
Never again would he ask Mary Sue to 'explain herself.'