You've been seeing yourself, getting to know what you look like, your whole life. So why does it often take an outsider to see things about you that are obvious, and set you straight?

Prologue: Guest host Nancy Updike talks about learning something new, and unpleasant, about herself in, where else, a makeup store. She also talks with other people about moments where someone made an observation about them that was shocking. (8 minutes)

Act One: Writer Domingo Martinez tells a story from his memoir, "The Boy Kings of Texas," about when he was forced to face how he might look in 20 years if he kept doing what he was doing. (12 minutes)

Act Two: A man has a very clear vision of how he always stood up to his father, protected his mother and fought hard for the truth. Until one day he discovers actual raw data — secretly recorded conversations — that threaten to change his picture of everything. (12 minutes)

Act Three: Ira Glass interviews actress Molly Ringwald about what happened when she watched one of her own movies, "The Breakfast Club" with her daughter. Ringwald talks about how for the first time, she saw the movie from the parents' point of view, not the kids'. (19 minutes)