Many animals' mating behaviors are driven by their sex drive, which peaks during the breeding season.

The traditional ceremony required each participant to wear only a simple cache-sexe, a small strip of cloth that covered the genitals.

After months of dating, they finally agreed to have sex.

Her novels in the sex and shopping genre drew both criticism and fascination for their depictions of wealthy characters leading lives of relentless desire and consumption.

The university offers same-sex dormitories for students who prefer to live with others of the same gender.

During the anatomy lecture, the scientist described the structure and functions of the sex organ.

She decided to be honest about her past experience with group sex when their relationship became serious.

Health educators encouraged young adults to practice safe sex and get regular STD screenings.

She hesitated before stepping into the sex shop to buy a gift for her partner's birthday.

When she walked into the room, everyone agreed she was sex on a stick.