Many people spend a pretty big chunk of their lives commuting through airports and sitting in airplanes. There is no denying that there is absolutely nothing comfortable about traveling, especially when you envision yourself literally sitting in a long tube infiltrated with germs and bacteria.
Oddly enough, the tiny shared bathrooms are the places where the least germs are to be found… There are places far worse that you simply cannot avoid but you can always stalk up on some really strong antibacterial products!