She was not calm. You feel absolutely no emotion. You are confident that you are fully able to handle the emergency, and you immediately go about doing just that. After a few minutes, you start fo feel your emotions again. Ruth realized that she was manic, but only after the fact.
Control seems to be a contradictory thing.
If you are positive that you are in control, you probably are not. If you are worried about staying in control, you are probably fine. Telling right from wrong is a contradictory thing too. If people enduring psychotic episodes know right from wrong and can act on it, then the insanity defense is invalid. The issue is not an easy one to sort out.