I know you hate vampires,' she said.

He hated vampires even before actually meeting one, and wanted revenge on all of them, especially Valerie.

She was proud, and stubborn, and had been hating vampires for a long time.

Would a real human think you needed a reason to hate vampires?

Because, said Vimes's battered but still functional soul, you hate bloody vampires.

You hate bloody vampires and it's your bloody Watch.

No wonder she hated vampires so much.

"She hates vampires with a passion, but she-I think she could like me."

Maybe he had good reason to hate vampires.

Quinn is then able to see that Rashel hates vampires because of the one that killed her mother.