Why reflecting on childhood, adolescence and adulthood all together is relevant? Because reflecting on childhood1 and adolescence means to recognize the necessary aspects for realizing their well-being, while reflecting on adulthood means to question and understand why the adults tend to worry about children and adolescents instead of taking care of them. Because, nevertheless we can surely affirm at a social-cultural level that the Twentieth century has been the one which has highlighted the formal acknowledgment of childish age and thus of male and female children, juveniles, pre-adolescents and adolescents as subjects of right (Declaration of the Rights of the Child, 1924-1959; the International Convention on the Rights of the Child, 1...