As he turned the corner around to the far side of the church, Ron watched them both beginning to melt back into their usual bodies - and felt his own clothes start to feel wrong around him. A very vivid memory from second year flashed into his head, and he kicked off his shoes while he still could. There wasn't going to be time to flounder around in those when they got back to Hogsmeade, probably.
"Go," he hissed in agreement, peering back around the edge of the building to be sure they weren't being followed, at least not too quickly. "If they're confused now, they'll really be wanting explanations in a few minutes."