I don't think you should always stay calm in a tense situation, because you might not ever confront the problem. Maybe it's better to actually let yourself be tense - and find a solution.
You can't always measure the effects of activist work; you just have to wish and pray that the message gets through.
Dancing is a very healthy thing to do for our body.
The process is always the same. I get an inspiration for a new song, I put it down on paper immediately so I won't lose it. When I am ready to go to the studio with it, I play it a few times on the piano and edit, add, and type the lyrics and take it to the studio. Sometimes I don't have anything on paper.