A curious smile tugged at the corner of Remus’s mouth just then, and his eyebrows furrowed a bit as he looked at Sirius. Lighting flashed, and another rolling crack of thunder sounded, closer this time, creeping in. It rattled the mullioned windows and vibrated the wide, uneven floorboards under their feet. Remus hesitated again for a moment, watching Sirius with an unreadable expression.