It requires 34 FACIAL muscles
and 112 postural muscles.
The Big Bang Theory Season 4, Episode 21
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
I'm not the best at reading FACIAL cues,
but I can see that you're a little turned on.
The Big Bang Theory Season 8, Episode 8
I could deduce by his FACIAL expression
and body language that he was sad.
The Big Bang Theory Season 10, Episode 16