first of all its not our culture, secondly this is for those who just dont want to take responsibilities. They really look for these kind of relationships to satisfy there urges. Lekin these kind relation are not strong and r not really bonded to each other. After few years u feel bore of these relationships. Iam totally against of these live in relationships. Iam happily maaried to my husband we had a courship period of around 7-8 years par than also i dont feel like living together before marriage. I dont feel these relations r required in our lives.