I'm sorry you feel you must go no contact with your family. I'm not sure exactly what you were looking for here when you asked about how to develop faster without fear. However here are links to 4 articles, from PC's archives, on the subject of overcoming fears. Perhaps something in them can be of some help:

Act to Overcome Fear

Break Free: 9 Tips to Overcome Fear | Happily Imperfect

5 Mindful Attitudes to Help Overcome Fear and Anxiety

How to Keep Fear from Stealing Your Life