[header] How to get naturally high with hypnosis [title] Decide what you want out of hypnosis mentally. [step] You don't absolutely need a concrete reason to self-hypnotize. You might just want to try it and see how it affects you. 
However, if you do have a reason, it might help you attain what you're looking for. For example, you might want to de-stress, clear your mind, or improve your focus.