It was not.

It was something closer to a kind of appalled energy.

It was the feeling of a thing that has to be dealt with immediately, before it sets.

It is the feeling you have when you knock a glass of red wine onto a carpet, and it has nothing to do with anger at all — it is entirely practical, and your whole body comes online, and you are already moving.

Because I understood something within about four seconds of hearing the word proof, and I understood it before I knew a single detail about what the proof was.