1. The use of hypnosis combined with techniques such as suggestion and metaphor to help a person achieve behavioral changes. It should be noted that a person trained in how to hypnotize others—a skill that is relatively easy to learn—can quickly hypnotize most people. However, learning how to help a person make desired changes in his or her life can take years of training. Hypnotherapy has some outer similarities to Stage Hypnosis used for entertainment, but has many differences and should not be confused with hypnotherapy.