A little story for you..." When Zeus first created human he did them with 2 heads,4 hands and 4 legs.But this kind of human been was so strog and smart that started to disrespect and question him.Zeus get mad and punished them..so he threw a glint and split this one body in two...so they became one body with one head,two hands and two legs....Since then we all look for our "half" so we can fell strong and complete again....."