
...not only about what one says, but about
FACIAL expressions, autonomic reflexes.
The Big Bang Theory Season 2, Episode 1

It requires 34 FACIAL muscles
and 112 postural muscles.
The Big Bang Theory Season 4, Episode 21

- ...who have characteristic FACIAL...
- I know what it means.
The Big Bang Theory Season 2, Episode 3

...and did so
using a stern FACIAL expression.
The Big Bang Theory Season 4, Episode 24

I don't particularly excel
at reading FACIAL expressions...
The Big Bang Theory Season 2, Episode 21