Don't touch the daughter or else you are going to face the wrath of something that is really powerful called...
a father's anger. (Let's also include that he is a saint and can possibly wipe out a entire army if he wanted to)
TBH by the 5th day at the capital I would be paranoid and be bugging him to pay the medical fees b/c I get annoyed easily when someone doesn't follow something correctly. (In this case paying the medical fees)
@WhimsiCat [spoiler] Wow the butler switched sides from being evil to being the nice guy after 500 years. Now I am starting to think that the butler just gave up on breaking the two up and started supporting them, although this isn't most likely true without a reason.
@GerryCerryBery I think that is what happened, but we can't be sure because anime/manga have a history of making characters looking too young or a bit old for their age.