Let's just say some of us lived in a place and time when there weren't any tampon-disposing machines in bathrooms, nor even running water, hand soap, toilet paper. Necessity: mostly the mother of desperation. And everything you've read about flies is true. How the early bird gets to the cleanest stall. In the morning, dew on the grass richly adorns every spiderweb—talk about learning how to stretch a scarce resource.