True story of a real study.
Clinical university researchers performed observational studies based on the question:
Is your orgasm face the same as your pain face?
They claim that “facial expressions exist for social interactions” and that our orgasm faces and in-pain faces are the exact same.
Are you orgasming? In pain? Something else entirely?
Their study if published in the Journal PNAS, Proceedings of the National Academy of Sciences of the United States of America, the official scientific journal of the National Academy of Sciences.