
After adjusting Dumbledore's medication, Snape takes over teaching class for a sick Lupin.
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"Shut your mouths and open your books."
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"We won't be having any of that silly hinkypinky or tiddlywink crap today."
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shutting curtains
"And none of that pesky light, either."
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"Today, for no alterior motive whatsoever, you're going to learn about werewolves."
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hermione
"But sir, Professor Lupin was just teaching us how..."
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"To fight off a mosquito? I don't think many of us have to worry about being attacked by evil clowns or snakes any time soon."
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harry looking at him
[. . .]
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"Well most of us don't."
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"But sir..."
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"Oh Jesus Christ, would you shut it?! Were you born being such a know it all or do you take lessons?"
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"I take lessons, asshole!"
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