Part of her was relieved that he didn't want to discuss that horrible night. Wounds were still fresh and if she allowed herself to be perfectly honest, she did tell Antonin that she didn't want any more children. More than once. He just chose not to hear it because he did. In his perfect world they would be happily in love and surrounded by children. As much as his brothers frustrated him at times, some more than others, he couldn't imagine life as an only child. It made him sad for Oliver even as Hermione didn't see anything wrong with it. She'd turned out just fine without any siblings, hadn't she?