Doctor-psychotherapist with the world name, the known sexologist Alexander Полеев in the new book is divided by more than 40-years-old experience of intermingling with the young patients - boys-teenagers and their parents.Today, as is well known to doctor Полееву on his vast practice, boys enter into a пубертатный period far before, than these were about 50 back. To the modern teenagers became all more difficult to manage with rushing on them new physical feeling and desires. The book of doctor Полеева will allow to the parents to understand feelings and necessities of the son-teenager, in order that to help him without losses to pass this not simple period of maturing. An author frankly, without superfluous medical terminology, tells about that, what difficulties expect modern тинейджера on a way to adult life, calls every parent to listen to feelings it growing up son and to become for him faithful a friend with that it is possible to share all, even most secret.