Body language
Posture Reads First
Your posture says whether you expect to be read or ignored.
Situation
The viewer notices the frame before they notice the explanation.
What he thinks
He thinks the words should carry the impression. Mira reads posture, composure, and whether the body looks like it is trying to disappear from the shot.
What Mira reads
Open the chest, relax the shoulders, and make the body look like it belongs in the frame.
Practical fix
Body language becomes part of the profile the second it starts shaping the first impression.
Field test
Change one thing that reduces noise, then compare the response before you add anything else.