That seemed a REALLY dangerous thing to do, administering something without knowing what he is actually suffering from and what medicine he has already taken...
He hadn't told her, though, so he hadn't told everyone.
@TheKuudereDude If you are done cutting, you can put down the knife and move the fork to your right hand, but you still shouldn't hold it like she is. That being said, she's eating a steak, so she wouldn't really be done cutting before it's all eaten.