If the facial feedback theory is correct,what should we expect when people smile for no apparent reason?

Name: If the facial feedback theory is correct,what should we expect when people smile for no apparent reason?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

According to the facial feedback theory, when people smile, it triggers physiological changes, such as a release of endorphins, that lead to the experience of positive emotions like happiness. Therefore, we should expect people who smile for no apparent reason to report feeling happy.

If the Facial Feedback Theory Is Correct,what Should We Expect