“It is. Did you ask for an invitation before you went into the Malone’s house?” “Yeah,” I said. “I guess I did. It’s polite, and—” “And it’s harder for you to work magic in a home you haven’t been invited into. You cross the threshold without an invitation, and you leave a big chunk of your power at the door. It doesn’t affect you as much because you’re a mortal, Harry, but it still gets you in smaller ways.”
B-but...Harry already knew this? He TOLD the two detectives this!
