I have been sharpening stones since I was a kid like my Dad and Grandpa both did, with a whetstone. First rule: keep sharpening with the course stone until you have a working sharp edge, then use the finer stone. Easiest way to check if your working edge is good is by touching the edge to your thumbnail at a 45 degree angle. If it grabs, then you can move to the finer stone. If it slides, keep sharpening...