They left your eyes, at least. That's a good sign.

[after making him sit on the exam table, she's going around him, cleaning and taping the various wounds.]

I'm not going to heal you immediately, and before you ask why, it's for politics. The Kasasagi wanted to make their displeasure public, and seeing you shrug off that message, so to speak, would irritate them more. You have to bear these for at least two days, so they feel as though they properly shamed you for this. They need to see that you were hurt.