You know the world is constantly changing when we’ve arrived at a point in human history where PBS is giving us relationship advice. Joe Hansen from “It’s Okay To Be Smart” is giving away free secrets to long and happy relationships for all of you lonely souls out there looking for answers. Want to know how to tell that certain someone that you like them, but don’t know how to make the first move? Have no fear, Mother Nature is here! Other animals have millennia worth of mating experience, maybe they can teach us a thing or two?