The goals should be clearly defined, ideally by the patient, with the therapist's help. Many distressing feelings are triggered by negative thoughts. You can learn healthy thought management from books, courses or a good therapist. Find a type of meditation that you enjoy, and do it about 5 times each week. There are many different types of meditation, equally beneficial.
Meditation has measurable physiological effects.
A calm mind calms the body. Only a calm body can heal. Improve your communication skills. Everyone can benefit from this, but for people with illness, this skill is essential, so that you can get your special needs met, from professionals, family, and friends. Give yourself permission to have ALL your feelings, including so-called negative ones.