[ .........the incredulous look on her face speaks volumes. She really can't believe this guy. ]

Empathy. Like yawning if someone else yawns.

[ You FEEL that pain in your soul, just like the pain she's feeling talking to Aku about his condition. At least he's... done with whatever he was doing at the moment? ]

I don't think I can hear someone cough like that and not be concerned. I really, really don't want to drag you back to Yuuto-kun if you wind up collapsing.