Because the people there have a more freeform style dasot married life. The single is an exciting subject that is independent. Not so much a liability. Is not responsible for anything more, it's like doing anything do it nobody that nobody comes to our lives, is strictly prohibited.
Because people have more freedom and live a married life. Singles are about as exciting as an independent obligation, not much more can not be responsible for it wish to do what they do, no one, no one was banned for life.
Because people live free than married life Singles that have exciting independent burden is not much, not responsible much like tourism, travel and do whatever you want, nobody that nobody can stop to our life.