What happens to the eyebrows?
They are lowered and drawn together. Vertical lines appear between the eyebrows.
What happens to the lips?
Lips can be pressed firmly together, down, or in a square shape as if shouting. The lower lip is tensed.
What happens to the eyes?
They are either in a hard stare or bulging.
What happens to the nostrils?
They are dilated/flared.
What happens to the jaw?
The lower jaw juts out.