Liu and his wife are themselves only children in nation teeming with singletons because of china's one-child policy,which was unveiled in 979 as aquick fix for a poor ,populous society. The couple's lack of siblings means they are legally allowed to have two children. But another kid? Forgrt it, says Liu. Who has the time or money or stress-buting mental reserves for that? "We don't want to spend our lives working just [for our child],"says Liu. "We want more more from life than that.