In their search for truth and happiness, the classical philosophers overlooked one of the most important facets of our lives-sexuality. The author rectifies this error by questioning this field of knowledge and practice: What is "good" coitus? What is a "nice" ass? What is a "legal" sexual act? What is universally "true" in sexuality? Who is "perverse?" Does sex represent a momentary pleasure, or could it embody a foundation for happiness? Using concrete examples, Sylvain Bosselet deconstructs the preconceptions that hinder our freedom and hinder sexual happiness. He seeks to lay the foundations for a philosophy of sex.