What's the old saying - if you don't use it you lose it

All kidding aside, you'll get many responses regarding the metaphysical aspects of honing, but in the end it could be something as simple as the fact that you don't have enough practice at honing. You may have hit a couple out of the park to begin with and then didn't need to hone for a while and were out of practice

It's always easier to start at a simple level before moving on to the metaphysical....