A look comes across Christy's face, as if she can't believe that actually worked. "Well, okay, here goes!" She raises the wand above her head and begins to bring it down toward you, before shouting - "oh!"
"Oh?" You ask.
Christy giggles. "Nevermind - you'll see."
"What are you talking about?" you ask, but you can already see. Christy is shriveling, just like that woman on the test apparatus. Before long, in her magical girl outfit is a dress, exactly your size. You scoop it up, taking her wand with it, and sneak off to somewhere you can change.
You settle on a grocery store bathroom (almost using the men's out of habit), where you sit on the lid of the toilet, having put Christy on.
"Hey," you say, "I wonder if you can hear me..."
Somehow, through you skin, you hear Christy's voice. "Sure I can hear you!"
"Well," you say, "you're taking this rather well..."
Your dress sighs. "It happens to all of us, sooner or later... it's why you don't really hear about magical women."
"I'll take your word for it," you say, having no real idea how this world operates.
Your new dress continues: "so anyway..."