Trauma is cumulative. You don't cure it. You don't get past it. The only way you "deal" with trauma is by integrating it into your self-understanding, essentially growing into a newer, hopefully more compassionate person in the process.
I never knew much about the foster care system. Then I became a parent. My foster care knowledge didn’t improve much. But I learned how much energy it takes to properly raise kids. 250,000+ children are placed into the system in the U.S. every year