Ratings include great (9) required for porn star or gigolo reputation title, good (7), normal (5), bad (3), and horrible (2). The higher the number, the more favorable the outcome. The formula named 'obj_sex_rating' in the game files produces a number 1 through 15, the numbers rounding up and down. A calculation of the player character's current stats takes place every time they have sex. The Chosen One's sex rating is measured by primary statistics and optional perks, traits, and reputation titles such as Sex Appeal, Kama Sutra Master, Sexpert, and Gigolo. You can have sex and unlock all dialogue option with any sex-specific characters regardless of your stats and you gain +2 points in the porn audition at the Golden Globes. Kama Sutra Master is a perk in Fallout 2. “ When it comes to pleasing sexually, you wrote the book.