Congrats, Dude.
As a fellow graduate of the Johns Hopkins School of Cutlery, that's great news.
My GP doc takes my PSA now every 6 months as part of regular blood work for other stuff, and at 28 months out, while I don't fret it as much. I still like hearing the 'zero.'
MD
P.S., I called my "contraption" a cabinet knob locator device---for obvious reasons.