I had room fulls of boxes of things that I thought might one day be important, or significant to someone. Then I realized, when I die, all those things are just going to be thrown away or donated to a thrift store, and it's highly unlikely that anyone who buys any of that will find the same value in it that I thought it had. If I have created anything truly timeless and worthwhile, then it had better be something I created for a client and got paid for making, otherwise it's just going to probably end up in a garbage heap. So I made a decision to get rid of all of it. Time is too short to be held down by the (truly) endless possibilities of "what if" this or that thing ends up being useful to someone in the future.