@otterlyanylitical
@otterlyanylitical As far as he said in the begining of the chapter, he thought she being ignorant of their business was safer, but now that he thinks she is a genious he want to teach her a little.
Is not that weird if you think that she will not inherit the ducal name and the family business (as she is being married to the king family) and she will not need to know such risky knowledge...