Sometimes, our facial expressions may reveal our true feelings about a particular situation. While you say you are fine, the look on your face may tell people otherwise.
Just a few examples of emotions that can be expressed via facial expressions include:
The expression on a person’s face can even help determine if we trust or believe what the individual is saying, which results in two credibility of the individual.
Image source https://www.scienceofpeople.com/microexpressions/ accessed 5th June 2022