Sometimes, life at Columbia is too hard to explain with words. We here at Spectrum are always trying to make life easier for you—the average Columbia student. That's why our new weekly series, "Optical Allusions," will try to explain the smaller intricacies behind life with Alma Mater through more visual means. This week, we explain the oh-so-difficult decision of whether to add another item of clothing to your laundry load. Graphic after the jump.