*Gideon's wand is out, but his posture is relaxed, open. He's anticipating a less-than-warm welcome, but the imposing home and the imposing family it's owned by are blessings, in a way: booby-traps or curse-wielding grandmothers are not a strong possibility, not when there's face to be (presumably) saved.

He fails to completely keep a lid on his grin, and his voice is low, sounding absolutely nothing like a rebuke.*

Now, now, Arthur. We're at work.