■ The lower reptilian brain is the “fight-or-flight” part of your brain. This region of your brain is all about acting and reacting, without a lot of thinking going on. It can also leave you frozen in a perceived crisis—the “deer-in-the-headlights” response. ■ The middle mammal brain is the seat of your emotions. (Call it your inner drama queen.) It’s where powerful feelings—love, joy, sadness, anger, grief, jealousy, pleasure—arise. ■ The upper or primate brain is like Star Trek’s Mr. Spock: It’s the part that weighs a situation logically and rationally and generates a conscious plan of
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