John read the owl, and muttered a few curses about rich boys with no common sense. They waited a whole day to call him, like he was some kind of miracle worker. Really, they should all be taught some old fashioned, down to earth common sense, something that Charles did with his boys, but very few Slytherins.
He picked up his bag, and put an assortment of potions, and then Apparated to the manor. He knocked on the door, and wasn't surprised to see the house elf open the door. "Healer Mallard, show me to your master, and quickly."