Carol meets andy and brad outside of her psychology classroom. both young men smile at her, but when brad smiles, he uses only his mouth, while andy also has crinkles in the corner of his eyes. carol feels that only andy id
Carol feels that only Andy gave her a genuine smile because Brad gave her the 'pan am' smile. A pan am smile is referred to as the 'fake but polite smile' because the person does not actually use all of the muscles in their face to create the smile, but instead puts in the least amount of effort possible to merely be polite without actually meaning it.
