... No. Many people suffer from partial or full paralysis of facial muscles, neurological conditions that limit expression, and numerous other conditions that will forever and permanently limit their ability to engage in expressive body language.
> Stephen Hawking was still quite expressive despite his limitations, although they did come later in life
He's a fantastic example of why you don't need to rely on body language to communicate emotion and feeling.
I have some grace; I'm willing to include those in my consideration that they have deemed unworthy of consideration.