“So how does this work, again? I’m still new at this.” He looked at her and smiled at the curiosity and excitement in her tone as she unwound her scarf, her face flushed at the transition from the subzero winter to the warm room. “It’s pretty simple, really. We take a shower and then step into the sauna, and if we feel like it we throw some water on the stove. Don’t worry, I’ll show you.” The confidence of his words somew...