?????
But how do they cure a baby then if stroking its body doesn't work?
This would have made more sense if they just needed a lot of skin contact rather than sex.
Still don't see the harm with that phrase, really. It's a society where arranged political marriages are commonplace. Harsen would have grown up knowing this but instead he got butthurt and did nothing to actually change her mind about him.
Jeez, ease up on the MC. He isn't telling her because he thinks it'd be better for her state of mind to not know she fucked her brother and instead think she just fucked a piece of shit.