8 Things We Do That Really Confuse Our Dogs · Kinship Skip to main content Why your dog freaks out when you give someone a hug — and other human behaviors they just don’t understand. by Melissa Starling, PhD and Paul McGreevy, PhD, MRCVS Updated February 14, 2023 Dogs are extraordinarily flexible creatures — how else could they live in our homes with us, learn to walk on a leash, and tag along on road trips?