Few things are an unmixed blessing.
I’m a hyper-competitive person. That has helped me in many ways my whole life but it’s also cost me in ways I am just now coming to realize. I have beaten a lot of people who had superior technical skills because I trained harder and was willing to put up with more pain both in practice and in a match.
After seeing a demonstration at a clinic of a technique that the coach said,
“This will be so painful, your opponent will turn over to avoid it,”