"If you want to make someone do something for you and meet resistance, one trick you can employ is to create a debt by doing something for them first."

"This hinges on what’s known as the Norm of Reciprocity"

"Personality mirroring, or The Chameleon Effect, is when we unconsciously mimic the people around us—their postures, attitudes, and other behaviors."

"Try the Door in The Face (DITF) technique. You use this trick by first asking your target for something much harder or more outrageous than what you really want—something they’ll doubtlessly refuse."

"the perceived legitimacy and truth of any statement increases the more frequently it is repeated—in other words, the more you repeat even blatantly untrue or incorrect information, the more likely people will start to believe you."

"The scarcity principle is one of the most common examples of blatant psychological trickery we encounter on a daily basis. Any time you see an advertisement that promises something is limited—in time or quantity—it’s using the scarcity effect against you."

"On the other hand, using confident phrases like “I know” or “I believe” will make your arguments seem more authoritative even if nothing else changes in what you’re saying."

"Science tells us that hearing our name pivots off the “Cocktail Party Effect,” which describes the way we instinctively filter out all other stimuli when we hear something interesting—and our own names trigger this effect in spades."

"Affinity is a sense of familiarity people have when they’re used to seeing you all the time—the more “present” you are in their lives, the more likely they are to feel close to you and to trust you."

"One of the trickiest mind tricks involves something called spontaneous trait transference. In a nutshell, this means that people tend to view you with the adjectives you use on other people."

"Subliminal touching is simply making casual interpersonal contact while interacting with someone."

"Touching their arm or shoulder briefly has been shown to make people instantly feel warmer toward you."