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

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

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

Forgive me.
I'm not adept at reading FACIAL cues.
The Big Bang Theory Season 3, Episode 4

I merely offer you a FACIAL expression
that suggests you've gone insane.
The Big Bang Theory Season 3, Episode 12