Al waited, knowing his father would eventually start to piece it together himself, although he did look a bit relieved when that finally began to happen. "Yeah, it's someplace else entirely. Best we can tell, the Wizarding World doesn't even exist here." He let out a puff of air and added, "As for who knows what... Snape knows he died. He remembers dying, but he's here looking like he did when he was a teenager. I don't think Remus Lupin or Tonks are from that point in their lives, though. I..."
He had the grace to look a little chagrined at that point, ducking his head a bit as he admitted, "I didn't really talk to them all that much. I didn't want to risk messing up anything by letting something slip." His brow furrowed somewhat as he peered back up at his father. "Though, now that I think about it, I doubt that's possible. If time was at risk, it would already be affected, so..." Again he trailed off, sighing softly.
"That's about as far as my head can get wrapped around it before I get a headache," Al admitted with a somewhat sheepish grin. Hearing a noise from the alley nearby, he glanced toward it then back to his father. "We should keep moving," he suggested. "We aren't far, now."