A monk asked the Chinese Ch'an master Chien Paling:
-What is the difference between the meaning of the Sutras and that of the Patriarch?
The master replied:
-When it is cold, hen would go up on a tree and duck down to water.
You keep saying about it and limiting it with your categories but reality isn't constrained by your concept of nonverbals either. So, you can say what you like and want to about it. What do you want to say about it? Are you slouching, hunched, or sitting up straight? Is your body language paying attention? Will it answer you back? Yes, listen and it does dodah.