We all know about body language, but are there other ways our bodies betray our private internal world?

Humans are subject to a wide assortment of non-verbal communications, and they are going on all the time, even when we'd rather keep the things they express to ourselves. Are these "tells" subconscious, or is it just more evidence that humans are storytelling machines?

Let's discuss...

Links:

Body Language Expert Dr. Carol Goman: https://www.youtube.com/watch?v=-NqnfpGsQaI

Tiny Crystals In Our Brain Could Unlock Psychic Powers: https://www.youtube.com/watch?v=l34844iTAKQ

Why We Get Tattoos, by "Buzzfeed": https://www.youtube.com/watch?v=nL_Fu_p5A1U

Tongue Posture by "What I've Learned": https://www.youtube.com/watch?v=zbzT00Cyq-g

Intro clip: https://www.youtube.com/watch?v=BR6lF73AtPU