If you asked Lydia, it was that her father's favorite horse died and he never had a horse so good as that again, and as evidence, she had the fact that the horse died on the first day someone referred to the five Misses Bennets. If you asked her Aunt Phillips, Kitty was why there was never a boy born after Lydia to break the entail, and as evidence for that she had the fact there was never a boy born after Lydia to break the entail. So. Matter of opinion, really.

"I should say not," Lydia said, "as I don't believe I've ever heard that word before in my life."