Eventually, if you live in Japan long enough, you learn not to ask “why.” But until you learn, you keep asking, and every time you ask, you regret it that little bit more.
I was in the municipal swimming pool in Nishi-Omiya, over on the far side of town from my neighbourhood of Owada, in the Tokyo suburb of Omiya. After paying a couple hundred yen, I changed and jumped into the metre-deep water. Little old ladies did walking laps in the lanes to the right, and I started crawling up and down my lane, my fingertips grazing the bottom on the occasional stroke.