Answer:
Following tips should he follow.
Explanation:
The non-verbal sign consists of things like facial expression, the motions of the arm, or body language. It is about to feel without using words.
Nonverbal interaction is as essential as vocal communication, or even more essential. The interviewer will track the nonverbal signals through the interview.
In the case of Damon, he has to use positive non-verbal signals for creating a positive impact on the interviewer. For positive impact, he has to Listen carefully and Sound enthusiastic and honest.
He should never cross his arms or stand with his hands in his pockets or chew gum, it is a symbol of disrespect.