Visit your local gym, workout, have a swim, have a sauna or sit in a steam room, luxuriate from a Jacuzzi (if they have one) and also with a shower.
To answer the question for me at least it goes back to when i first started to operate. My husband, Joseph, and I were reminded using this recently. http://kafdp.OR.Kr/bbs/board.php?bo_table=free&wr_id=660968