It takes her a moment to puzzle out what a boner is, and then she goes a little pink, clearing her throat. "I, ah..." Focus. She shakes her head briskly, clearing her throat again, and tries to make the blush fade by force of will alone. It's not working, unsurprisingly. "I have no need of money. I am fed and housed, and paid my own wage, I understand. Keep it. You have more need of it than I, and 'tis not as though you arrest me from any real chore."