Like money...

Toilet paper is one of those things that's easily given away when you have a lot of it. The paper is so thin that the amount seems endless. But when you're down to the last centimeter on the roll, you start to wish you hadn't given so much. As the diameter decreases, your conscious effort to use each piece sparingly increases. You realize those last few squares could be crucial in the imminent time of need. The worst thing is to be left stranded on the john with no paper in reachable lengths. It's bad when you start going through kleenex boxes and paper towels. It's worse when you resort to pulling out pages in books and magazines. And finally, you know you're really desperate when you start tearing apart the cardboard cylinder of the empty roll into little pieces. Who knows the unimaginable lengths people may go to for any small scrap of wiping material?

Lesson learned. Keep a savings supply of readily available Charmin (or Angel Soft) for emergency use only. It's always comforting to know you're lavatorically secure.