"Lavi you know as well as I do that being accomplish in 'my time' means marrying above your rank and bearing sons." While she talked, she pulled her key out of the top of her corset where she tucked it away. At least there she'd never lose it, there was no space for it to move. "I can't marry higher, and I don't want to die like Jane did. So by the standards, I am a most useless woman to almost everyone." Not that it's said with a great deal of sorrow. She sounds rather pleased she meets no ones expectations.