Orientation. Comment devenir gay?

The video opens with an introduction at 00:00, followed by a warning at 01:07. At 01:16 the presenter explains how sexual orientation forms through biology, psychology, and evolution. At 08:09 various types of orientation are discussed, and at 09:08 the concept of bisexuality is explored. At 10:20 the influence of society on orientation is examined, and at 11:55 asexuality is defined. At 12:40 the concept of gender is addressed, and at 13:53 the prevalence of homosexual individuals worldwide is presented. At 14:27 the history of homosexuality is reviewed, and at 16:19 the question of humanity's extinction is raised. At 17:50 the presence of homosexuality in animals is examined, and at 19:37 the reasons why homosexuals have not disappeared are discussed. Finally, at 21:13 the video concludes by questioning whether homosexuality is normal or not.