In what way can the behavioral expression of emotions be deceiving?

Behavioral expression of emotions can be deceiving when people simulate a expression in behalf of the situation they are. For example, simulating a smile (happy facial expression) when one’s disappointed about a gift they received, for the sake of being polite to the person who gifted them. They can be deceiving because the behavioral expression not always is linked to people’s true emotions.

where is your diagram?

the declaration states, “we hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty, and the pursuit of happiness….”