A arte monográfica dos "typos"

like a discomfort behavior (e.g., displeasure, unhappiness, stress, anxiety, tension). Most of the time you will be able to place observed behaviors in one of these two domains (comfort vs. discomfort).
16 WHAT EVERY B O D Y I S S AY I N G
BOX 6: A NOSE FOR TROUBLE
Among the most important nonverbal clues to a person’s thoughts are changes in body language that constitute intention cues. These are behaviors that reveal what a person is about to do and provide the competent observer with extra time to prepare for the anticipated action before it takes place.
One personal example of how critical it is to watch for changes in people’s behavior—particularly when the changes involve intention cues— involves an attempted robbery of a store where I worked. In this particular situation, I noticed a man standing near the cash register at the checkout counter, a behavior that caught my attention because he seemed to have no reason to be there; he wasn’t waiting in line and he hadn’t purchased any items. Moreover, the entire time he stood there, his eyes were fixed on the cash register.
If he had just remained quietly where he was, I eventually would have lost interest in him and focused my attention elsewhere. However, while I was still observing him, his behavior changed. Specifically, his nostrils starting flaring (nasal wing dilation), which was a giveaway that he was oxygenating in advance of taking some action. I guessed what that action was going to be about a second before it occurred. And a second was all I had to sound a warning. I yelled to the cashier, “Watch out!” as three things happened at once: (a) the clerk finished ringing up a sale, causing the cash drawer to open; (b) the man near the register lunged forward, plunging his hand into the drawer to grab some cash; and (c) alerted by my shouted warning, the cashier grabbed the man’s hand and twisted it, causing the would-be robber to drop the money and run out of the store. Had I