By Hailey Eber for Blisstree.comIn Erica Jong’s 1973 read-it-in-a-gender-studies-class novel "Fear of Flying," the protagonist is forever in pursuit of what she calls the “zipless f**k.” She writes:The zipless f**k is absolutely pure. It is free of ulterior motives. There is no power game. The man is not “taking” and the woman is not “giving” … No one is trying to prove anything or get anything out of anyone.