Three female friends dancing in nightclub. (Photo by Cultura Creative (RF)/Alamy Stock Photo )

Mourning woman. (Photo by Rich Legg/Getty Images/iStockphoto)

Young couple in BDSM action on the leather sofa. (Photo by Alamy Stock Photo)

Bad Christmas gift makes the pretty girl look disappointed in x-mas time under the christmas tree. (Photo by pixelrain/Rex Features/Shutterstock)

Yin and yang. Sеxy women grey background. Sensual women in erotic lingerie. (Photo by Alamy Stock Photo)

A girl looks with comic disgust at a guy who falls asleep with a bottle of beer at a party; her friend laughs. (Photo by Edward Corbett/Rex Features/Shutterstock)

Woman taunts naked man. (Photo by riskms/Getty Images)

Female female male threesome. My bit on the side is my best male friend. (Photo by Laoshi/Getty Images)