[Kurama's expression visibly perks when he sees that she's at the farm. He hasn’t been back since his disappearance into the woods. There even now, as he gets caught up on the network.]

I believe there is no right or wrong answer, but my opinion may be ... biased. Too far is a rather personal metric, is it not?

[He takes a moment, speaking cautiously. Does he feel bad for injuring Hiei? Yes. Is he going to address that openly on someone else's public post? Absolutely not.]

Demons heal a great deal faster than humans, a minor injury in one's effort to prevent more serious damage or avoid certain danger is... not unheard of.