Sex on these occasions is often referred to as play. 12 Stunden all inklusive Aktion für 800,00 Euros! (Bergstrand Williams, Today's Alternative Marriage Styles: The Case of Swingers, Electronic Journal of Human Sexuality, Vol.3, 1 ). The 'prime directive' in swinging is "No means no". Edit Subgroups The neutrality of this section is disputed. Half of those who rated their relationship very happy before becoming swingers maintained it had become even happier.