Good example. One can understand the purported sense of this story. This is against the principles and practices of what actually we are supposed to follow, as every relationship has its divine meaning. We are not mere animals but rational animal. We have a society and everyone is a part of it and has a role to play. Just say, father, mother, brother, sister - repeating will echo the worth of relationship. Everyone has a right to choose his/her mate, but it should be for the fullfilment of our individuality, personality which should be read with our parents name and identified with our integrity. None of us is supposed to waste our vitality and potential for mere transient pleasures to fulfill our biological need, instead it should be transformed into a meaningfull method of activity of life. If society is a 'pillar' families are the 'bricks' which it is made of and we are materials to concrete it. Espousing a live in arrangement as liberty it means you compromise your social responsibility with your own interest. Let wisdoem prevail and let us not encourage such folly instincts.