Merlin’s beard.

“I heard from my dear friend Tiberius Ogden, that you can produce a Patronus? Fo…”

“They don't know we're not allowed to use magic at home. I'm going to have a lot…”

“And it's Gryfindor in possession again, as Johnson takes the Quaffle— Flint alo…”

“But sometimes she found that memory confusing and doubted it.”