Body language in general.

Dogs wag their tails in order to spread their happy pheromones by waving furiously. They unconsciously want everyone to know they are having a good time. When they are scared, they tuck their tail between their legs in order not to spread their stress pheromones by moving the air around their glands.

Here I am. I was fine, then I had a crisis, now I’m fine again.

Best incision I have made.