Heh, wonder how long it’ll take for Twilight to figure out the sharing part? After all, when you first took the staff’s power back at the palace, you indeed couldn’t steal it’s magic, causing it to deflect all over the place despite bare-handing it. But once you two ‘made contact’ and the synchronicity happened, it was easy enough to fake stealing it’s juice and fool all involved parties, a plan it picked up on immediately.