You are totally right. At first penetratyion, the young male receives a one way ticket to homosexuality. He instinctively knows that this is fulfilling,the proper, natiural sex for him. Already, the next day, he feels an emptiness there, a need for penis to enter. The feeling intensifies every day until he obtains another penetration. And so it continues. Magicvally, females fade from his life. They move to the soides, become ireelevant, maybe a nirriotation. He needs only cock, sperm inside him. Each time the sperm enter him they bring their hormones that program the mind and the body. The sphincter adapts. The brain turns. He becomes absolutely homosexual.