[If Robbie couldn't handle Padfoot, Sirius wondered just what he'd make of his mother's name.]

Allergies? Don't have any myself. Can't imagine what I'd do if I did. I mean, if I were allergic to bullshit, I'd have died at "reality-warping teleportation."

[He couldn't help himself. Theme of the day thus far. Sirius may have blurted out a wizarding word, but he could think on his feet. He'd been great at not attracting Muggle attention back in the day.]

You know, disappearing? Must be a British thing. Like our biscuits and-- whatever you call biscuits.