BAD HANDSHAKE IS SUCH A TURNOFF BECAUSE…we're primates and that's why we shake hands to begin with. All primates approach each other by reaching out with their fingers. However, our brains have evolved to help us retain negativity “so that we don't have to learn every morning not to touch a hot stove,” former FBI agent and body language expert Joe Navarro tells his audience for . Thus, when we shake a hand that is wet or grabbing us in a strange way, it registers with us “potentially for years,” he adds.
