Sometimes he couldn't understand how a man could love his family so much yet feel so little for others. How he couldn't see how others of any blood could feel the same for theirs. Remus shook his head a little under the guise of wiping his brow, then dismissed his Patronus with a wave of his wand.

"I normally wouldn't impose," he said, waiting until father and son broke apart, "but I'd be grateful if I could spend the night here instead of roughing it. Either way, I can explain about the trapping." It was a lot, asking for shelter from a former enemy and knowing even with the save how Lucius felt about Mudbloods and worse, werewolves.

Also that prank years before didn't help matters.