Regulus sighs, folds his work in progress, marks his place in the textbook, and closes it. "It's Mother. I give it a week, if we're lucky. She's already started going on about how I need to get on the quidditch team this term, never mind that I can hardly stay in the air and I can't exactly practice that in the courtyard."
She should know this, as one of her other favorite topics is how the neighborhood is teeming with Muggles these days. (It was a solidly wizarding neighborhood when Phineas bought the house, but these days, the Blacks are about the only magical family there.) Besides, there simply isn't enough room back there.