"Ah, that's the good thing about energy," says Jim with a contrary smile, "It never goes nowhere." Still, he takes her point, and moves to sit next to her on the bench.

He reaches into his pocket, tugging out the card that so hatefully declares his middle name to be Tiberius, and stares at it. "Do you think it's magic?" he asks, managing not to twist his mouth around the word. He believes Hermione can do what she says she can, the point of contention is why, but Jim doesn't expect them to see eye to eye on it anytime soon.

"That makes us come and go from here, makes these indestructible cards with all our information on them? Or some force neither of us have thought of yet?"