Zach couldn't help the laugh. "You're sounding about how I did a year or so ago, before I started hanging around Debi and, by extraction, the Snape-Lupin families. It's not exactly unprecedented in our world, Neville."
Zach's mouth twitched again. "As for the how, you'd know more about that than I would, but I'm guessing someone forgot to practice safe sex," he grinned wider.