Zacharias gave Justin a nod in response to the thank you, deciding to let him and the woman speak. Or her taunt him while he defended himself. Whichever. Romance novels was not a topic he cared one way or another about, so he didn't see why he should get involved. Besides, Justin seemed to be doing fine on his own and was certainly allowed to read whatever he wanted, especially when relaxing. At least he wasn't reading about how to become the next Dark Lord or something similar.
"I don't get the reference," he said when the woman said something about them helping Justin win Seamus. He didn't think fairies had godparents. Not like people did anyway. Maybe they had their own version of it, but, if so, he'd never heard about it. Regardless, he didn't know Justin well enough to care one way or another. Sure, they'd been in the same place at the same time in the past, but that didn't mean he cared enough about him to try to play whatever game she was talking about.
"Also, for all either of us knows, he might just be appreciative of what he sees and not actually want anything romantic. And if that's the case, I'm sure he's capable of getting it on his own." Or not. What did he know? When it came to people he knew years ago, not much.