The same way that you might research a healthy diet, exercise routine, or the ins and outs of a new hobby, learning about your mind and how to keep it well is an important part to healing and change.
We are in an age of information, where there is not a dearth of resources, be it books, audiobooks, podcasts, videos, events, newsletters, etc. Please take advantage of the information at your fingertips. These are only a handful of suggestions of where you may want to explore if you are learning about mental health, the impacts of trauma, and how to change.