Hi 2Blade,
My friend put one on his bow for a year or two, at a shoot, he told me to give it a try and a light bulb went off instantly.
It just felt amazing, I would not say I had T/P, however, I was not 100% in control of the shot.
It is vary rare that anyone is 100% in control of the shot, whether that's holding to long, not holding long enough, not getting to full draw, over drawing, freezing high, freezing low, etc.....
The clicker gives me better control and consistent draw.
As far as holding, I might hold longer than most, but that's not what matters to me, I want to be in 100% control of the shot.
The good news is I can shoot as fast as I can draw the bow back, as the clicker bumps, I'm already on target knowing I'm at full draw, or I can draw slowly and deliberately, focusing on the spot I want to hit, coming to a vary deliberate and smooth release.
This is just one example of being 100% in control of the shot, this hog came out of the brush, there was a barbwire fence between him and me, 50 yards was as close as I could get.
I was shooting a 70lb Tim Migs longbow, 50 yards was my point on, I held right on his hart, made a smooth deliberate shot, hitting the clicker.
Hope that helps.