Few people would defend the Victorian attitude on children, but if you were a parent in those days, at least you knew where you stood: children were to be seen and not heard. Freud and his colleagues did away with all that and parents have been puzzled ever since. The child's happiness is all- important, they say, but what about the parents' happiness? Modern child-rearing manuals would never permit cruelty to children .The trouble is you are not allowed even to shout. Who knows what deep psychological wounds you might cause? The poor child may never recover from the dreadful experience. So it is the parents that bend over backwards to avoid giving their children complex which a hundred years ago hadn't even been heard of. Certainly, a child needs love, and a lot of it. But the excessive permissive  of modern parents is surely doing more harm than good. Psychologists  have succeeded in weakening parents confidence in their own authority. And it hasn't taken children long to get wind of the fact. In addition to the great modern classics on child care, there are countless articles in magazines and newspapers. With so much advice flying about, mum and dad just don't know what to do any more. In the end, they do nothing at all. So, from early childhood, the kids are in charge and parents' lives are regulated according to the needs of their kids. When the little dears develop into teenagers, they take complete control. Lack of authority over the years makes teenagers rebellion against parents all the more violent. If the young people are going to have a party, for example, parents are asked to leave the house. Their presence merely spoils the fun. What else can the poor parents do but obey? The phrase "get wind of" (Para.2) most likely means   _   .
become used to try to avoid realize become puzzled of