"I suppose," he agrees, and gives Martel a dry look. "Extremely." He's not actually going to say that she must be out of her goddamned mind, but they both know that any woman 'determined' enough to try this hard with Severus Snape has got to be ... well, out of her goddamned mind.

Maybe that's why he likes her.

"The post owls like her the best, I think."