"I have to enter your mind, to find that point where the Weasley spell is anchored into you," Harry explained. "I'll be delving into parts of you so deep and intimate and vulnerable ... you might rightly reject anyone going there, whether it's me or not. The Commission want to use deep-level spelling as a control system, to allow your mind to know only what they want it to. It would, essentially, make you a slave to your Truly Wedded Lord."