Hermione sighed as she sipped her tea. Tom had been obsessed with wizarding "blood" in school, and they had had many vigorous debates about the subject during their first year of dating. Finally, as he had written, she had persuaded him to drop his prejudice against Muggle-born wizards and witches with the information that they—we, she thought—had wizard ancestors just as anyone else did. It was a breakthrough, but clearly, Tom’s interest in wizarding demography continued.