For every occupation, there is a catalog of secrets only its employees are aware of such as how waiters with heavy platters know to look straight ahead, and never down. Armed with a bag of reader mail, Matthew Baldwin unfurls a whole lot more true insider knowledge.

Includes such highlights as:

Nurse: Patients will occasionally pretend to be unconscious. A surefire way to find them out is to pick up their hand, hold it above their face, and let go. If they smack themselves, they’re most likely unconscious; if not, they’re faking.

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