Clear, consistent communication creates comfort. Every behavior would be useful in some context. A person is not his or her behavior. The purpose and measure of a communication is the response it gets. A person cannot not respond.
Flexibility is vital.
Communicating with an individual, an NLP expert focuses first on creating rapport, on matching or mirroring the other's verbal structures and overall physiology. Once mutual comfort creates clear usable communication channels, the participants can start introducing new content to take the interaction in any valuable direction. Out of the ranks of modern psychotherapy have emerged a number of charismatic superstars. These people seemingly perform the task of clinical psychology with the ease and wonder of a therapeutic magician. They reach into suffering, pain, and deadness of others, transforming their hopelessness into joy, life and renewed hope.