The Law Of Diminishing Expansion - this law states that just about any product on uses to clean, shave, or deodorize ones person in the average 'Merican bathroom will actually EXPAND once it diminishes to the point where a replacement is purchased. NOTE: The replacement MUST be purchased for the expansion to occur. I first began to suspect the Law of Diminishing Expansion (LDE) regarding my toothpaste use. Like a good boy, I would brush daily and when my tube would empty past a certain point, I would buy a replacement. I began to notice that ONCE THE REPLACEMENT WAS SAFELY in the house, my old tube of toothpaste would continue to produce toothpaste for days, weeks, and months. HOWEVER - should I fail to replace the tube it would run out of product quickly, forcing me to brush my teeth with baking soda or the little green things in the clay that keep the cat litter from stinking up the house. Even before the TRUTH about LDE was revealed to me, I noticed the same t...