The key to being a wholesome person with peace of mind is to define your values and then measure how you live them out. By doing this work, you can become mindful of what matters most in your life.
The speaker believes that in order to help emotionally scarred individuals, one must first get inside their head, experience their pain and feelings, and then think objectively about possible solutions or coping mechanisms. Although tragedies cannot be changed, dwelling on them is not helpful.