A simple therapy I've used in various forms for emotional problems is something anyone can do who has the will to help others. Doing therapy on yourself is almost impossible. Otherwise nobody would be with mental problems. It takes an outside intervention of some type, but usually a person. But properly done you can also fix sex inadequacy problems, allergies, headaches including migraines, some visual problems, skin problems , test anxiety and a host of other things.
Most hospital admissions are for psychosomatic problems.
You have to learn to walk before you can run. So try the following and get your self -confidence up. It is conveyed to your subject by your manner and tone of voice. Try several people, like at a party. It is not at all necessary for you or anyone else to know what the subject thinks of in his own mind.