As a night owl, I would often step out on the deck of my apartment late on summer nights in nothing but wispy shorts or a towel, and enjoy the sound of crickets and the cool night air on my bare skin. Before long I would have an erection, and the apparent privacy to take care of it. Despite being in full view of over 20 other apartments across the way and on either side, I'd drop the shorts or towel and quietly stroke my...