Amy tried not to let the fact that wizards could erase her memory bother her. Tonks didn't seem dangerous, and she couldn't imagine her trying to do anything sinister like the Silents. "Just don't make me forget an' we're ok, yeah?" she said. "I've seen that misdirection trick before, with some alien technology. The Doctor calls it a 'perception filter.' Hell, there was even a whole room in my house I didn't notice 'til I was nineteen." Amy shuddered as she remembered the incident.
When Tonks began folding the newspaper into an airplane, Amy raised a skeptical eyebrow. But then the plane flew out of Tonks' hand! "Woah," Amy said. "Again."
"Can you teach me that, or am I outta luck for bein' a muggy-whatever?"