For our first date, I take a 24-year-old clothing store clerk I met on social media to a hotel with the private sauna she wanted to try. A private sauna lets us bathe together: she starts in a swimsuit but soon takes it off. From there we have sex whenever the mood strikes—in the sauna, by the open-air bath, and on the bed. Her slender body trembles from nothing more than teasing her stiff, sensitive nipples, and we spend every spare moment fucking without a condom.