The twenty-first century is the century of your youth. Another life, other requirements, other goals. This world was created especially for you, but you have not yet found the key to it. Therefore, it may seem to you that no one has ever experienced what you are experiencing now, that your emotions are unique, and your problems are one of a kind. You may feel lonely and misunderstood, abandoned to the mercy of fate in the stormy sea of everyday storms and adversities, it may seem to you that your parents do not want to delve into your problems, that your friends are betraying you, and that your teachers are nagging in vain. It only seems to you! And we will prove it! In addition, the new century gives rise to new needs and opportunities for you. So, open this book and we will help you find yourself in the world you dream of. For a wide range of readers.