when in doubt, delete.
Great quote in the comments of a post by Raymond Chen @ Microsoft about his attempts to simplify his office layout:
“The older I get, the more I realize my best tool is my trash can.”
I still have about 40 boxes of books in my garage that I’ve yet to move into our house, three years on. On sum, I bet I’ve actively thought about three boxes worth. I’m seriously tempted to sell or donate the rest of them. Who needs all those books?