According to Greek mythology, humans were originally made with 4 arms, 4 legs and a head with two faces. Zeus thought they would have eventually overpower him so he split each of them into two humans, with two arms, two legs and one face. our whole life is a journey we travel and wander to find one another the other half who have the same heart in the end. when oliver said to olivio “call me by your name” he meant that he had found his other half and they are back together, the way they were meant to be.