The laws relating to marriage should be supported by a rational definition of marriage. The limits of freedom can not be expanded at will, but must be taken as the great philosophers have said. Kant and Hegel, we offer arguments in support of the natural family and unique. It has no rational ideology that inspired the propaganda of the homosexual family with the possibility of adopting children. By thinking of the most well-known proponent of sexual liberation, Marcuse, one can argue the strategy devised to change the company, aiming to build a new utopia that incardinerebbe man’s life on two interests: labor and eros. It is the update of the tenement of Charles Fourier. The hidden political purpose is the destruction of democracy.