The key is to recognize that your subordinate, like most people, has only a finite capacity to deal with facts, issues, and suggestions. You may possess seven truths about his performance, but if his capacity is only four, at best you’ll waste your breath on the other three. At worst you will have left him with a case of sensory overload, and he will go away without getting anything out of the review. The fact is that a person can only absorb so many messages at one time, especially when they deal with his own performance.