Erotic or porn film. Colored, was on VHS tapes. A man comes to a female psychologist and talks about his intimate adventures. The first time was when, when he was still a teenager, his housekeeper caught him with a porn magazine. Then there were 2 more episodes with erotic scenes. In the end, the psychologist could not stand it and had sex with the man right on the floor of the office.
Diary of a Sex Addict (2001) – https://www.imdb.com/title/tt0253040/