I find a strange comfort in clutter. It's a way of staking my
  claim to a space - a "you can't move my stuff because I have
  confused you with my cluttering ways". The way I find things is
  geographical - I put something in a place, that's where I expect
  it to be when I look for it next time. Sorting and filing
  (except for obvious a-z items) ends up screwing up my brain. "