imoknow just being
It really took 15 years? Was it in stages? Now you just do it automatically?
How I did it: Every time I get up to do one thing, I put away a few other nearby things. It keeps the number of untidy objects to a manageable amount, and having a tidier place is definitely an incentive to keep it that way.
Lessons & tips: Just do a little every time you get up. Unless you have messy kids, spouse and/or a lot of stuff, it should work.