My wife had been complaining about shoulder pain lately, so she started taking weekly yoga lessons through a recommendation from a young man named Yokoyama who lives in the apartment above ours. Thanks to the sessions, her health seemed to improve, and seeing her happily engaged in the practice brought a small smile to my face. But one day, when I saw her trying on a new leotard she'd bought for class, carefully trimming her pubic hair while holding a hand mirror, I suddenly felt an inexp