The problem is that you can fall into a trap of self improvement for sake of it or try to overcome weaknesses that are inconsequential. Essentially waste time b

The problem is that you can fall into a trap of self improvement for sake of it or try to overcome weaknesses that are inconsequential. Essentially waste time better used otherwise. Persistence has its limits and is easily exploited. To know your limits takes a special kind of training and sensitivity. Moore so to figure out limits of others. (That's not even starting with how accurate anyone's knowledge and perceptions are.)