When trauma occurs, one strategy or approach for managing the emotional chaos, upset and difficulty is to dissociate. In energetic terms, this is known as disembodiment. To heal from trauma, embodiment is essential.
The common denominator in every relationship you have is you. Learn to shift how you show up, engage and interact in difficult relationships.
Reiki is a reasonable start for exploring how energy informs health and wellness. For those who are ready to study energy healing deeply, move beyond Reiki. Taking the work up a few levels beyond Reiki is an important next step in becoming a practitioner who serves a wide spectrum of issues and people.
Your Mental / Causal energy body is amazingly detailed and includes karmic load, belief system, concrete intellect, higher mind as well cell function and body processes.